Interesting 666-digit Numbers - Numberphile

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  • Опубликовано: 7 апр 2024
  • Featuring Tony Padilla. See all three videos in this Apocalyptic Trilogy - bit.ly/ApocalypticTrilogy
    More links & stuff in full description below ↓↓↓
    The other videos in the series are:
    Apocalyptic Numbers - • Apocalyptic Numbers - ...
    Goliath Numbers - • Goliath & Leviathan Nu...
    Tony Padilla on Amazon - amzn.to/3U6DRSM
    (Check out “Fantastic Numbers and Where to Find Them”)
    See our 666 Playlist - • 666 on Numberphile
    Big Numbers Playlist - • Big Numbers on Numberp...
    Prime Numbers Playlist - • Prime Numbers on Numbe...
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    Numberphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: bit.ly/numberphile-janestreet
    We're also supported by the Simons Laufer Mathematical Sciences Institute (formerly MSRI): bit.ly/MSRINumberphile
    Our thanks also to the Simons Foundation: www.simonsfoundation.org
    NUMBERPHILE
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Комментарии • 185

  • @numberphile
    @numberphile  2 месяца назад +22

    See all videos in this trilogy at bit.ly/ApocalypticTrilogy

    • @IDFpartyboi972
      @IDFpartyboi972 2 месяца назад +2

      Thanks for your support UK and sorry about those aid workers. I was up late the night before so I was super sleepy the day I picked those 3 targets.

    • @WhataMensch
      @WhataMensch 2 месяца назад +1

      Hey numberphile can you do a video on the number 40K? It seems relevant to current day.

    • @LucenProject
      @LucenProject 2 месяца назад

      6:29 "I can talk about this all day."
      Plenty of people SAY that, but Brady's actually made a career out of it, and it's been a gift to the rest of us!

    • @FLPhotoCatcher
      @FLPhotoCatcher 2 месяца назад

      I found an interesting thing. I added the first 10 Fibonacci numbers (not counting zero) and then squared it, then divided that by 666 and got 30.70 *420* 420 *420* 420 *420* 420 *420* ...

    • @shafiqeakhtar6687
      @shafiqeakhtar6687 2 месяца назад

      can you plz solve this link problem

  • @LawrenceMclean
    @LawrenceMclean 2 месяца назад +91

    The second number, ending in 1837, 18 x 37 = 666.

    • @anuragjuyal7614
      @anuragjuyal7614 2 месяца назад +4

      Nice catch 😂

    • @FLPhotoCatcher
      @FLPhotoCatcher 2 месяца назад +5

      And 18 is 6+6+6

    • @LawrenceMclean
      @LawrenceMclean 2 месяца назад +3

      @@FLPhotoCatcher Indeed. All of the repeated 3 digit numbers have that characteristic, for example, 444 = 37 x 12, and 12 = 4 + 4 + 4.

    • @RobertoTifi
      @RobertoTifi 2 месяца назад +2

      ​@@LawrenceMcleanso I would expect 37 x 21 = 777 and 37 x 24 = 888? Wait a minute... It IS SO! 😮 37 MUST be such a devilish number, ban it out of holy places 😂😂😂

    • @LawrenceMclean
      @LawrenceMclean 2 месяца назад +2

      @@RobertoTifi 😀😀

  • @PeterVC
    @PeterVC 2 месяца назад +159

    Also, that 5th Fibonacci number F3188 is the only one of those 5 that contains the sequence 666 in its digits :D

    • @Cypekeh
      @Cypekeh 2 месяца назад +19

      3188 apocalypse confirmed

    • @kaerlighe9
      @kaerlighe9 2 месяца назад

      Hi I Am new .Could you please elaborate how the 666 fit into 3188 - and how the letter D is relevant. Thanks

    • @fugcat
      @fugcat 2 месяца назад

      ​@@kaerlighe9nice try chatgpt

    • @steamstories1279
      @steamstories1279 2 месяца назад +7

      Half-Life 3 confirmed for year 3188.

    • @kaerlighe9
      @kaerlighe9 2 месяца назад

      @@steamstories1279 could you please make an example ? Thanks

  • @Senf71
    @Senf71 2 месяца назад +77

    Not very surprising that there are 5 of them. For any number of digits there are between 4-6 Fibonacci numbers with that many digits. Most being 5.

    • @landsgevaer
      @landsgevaer 2 месяца назад +9

      And 6 only for 1-digit numbers if you start from 1, 1; never again after that.

    • @billr3053
      @billr3053 2 месяца назад +9

      4.785 approx. fibs per order of magnitude

    • @chrislewis7811
      @chrislewis7811 2 месяца назад

      Yeah, why is it presented as some difficult problem to find these?

    • @illusion-xiii
      @illusion-xiii 2 месяца назад +7

      @@chrislewis7811 I don't think it's presented as a difficult problem, I think it's presented as an interesting result. Finding them just involves doing iterative addition, easy for a program. Whether the result is truly interesting may be subjective, but its made for an engaging enough video (we're talking about it).

    • @coloneldookie7222
      @coloneldookie7222 2 месяца назад +2

      Agree on the rather regular 5 Fibonacci numbers in the Apocalypse set.
      But, what about the 666th Fibonacci set of the maximum (6) values?
      THAT'D be a uselessly fun superstition to make.

  • @Garmasmi
    @Garmasmi 2 месяца назад +42

    6049 in the Hebrew calendar starts in 2288 CE.

    • @zeybarur
      @zeybarur 2 месяца назад +13

      So Everton definitely won't win the league that year

  • @MichaelKrzyzaniak
    @MichaelKrzyzaniak 2 месяца назад +37

    Please do talk about it all day!

  • @unvergebeneid
    @unvergebeneid 2 месяца назад +185

    This trilogy was a bit too base-10-based for my taste.

    • @Alex_Deam
      @Alex_Deam 2 месяца назад +37

      Should've used 666 as the Number of the Base

    • @dielaughing73
      @dielaughing73 2 месяца назад +12

      @@Alex_Deam The Number of the Based*
      * or Baste?

    • @asheep7797
      @asheep7797 2 месяца назад +19

      should've used base 6 and see if 666 appears (hint: we know the answer)

    • @MushookieMan
      @MushookieMan 2 месяца назад +3

      @@asheep7797 It does i found it

    • @Tahgtahv
      @Tahgtahv 2 месяца назад +4

      @@asheep7797 Using 012345 is a bit arbitrary. You could use any 6 symbols you want to form your base 6 numbers, and then it might appear or might not.

  • @MizardXYT
    @MizardXYT 2 месяца назад +24

    The 23rd (23 is prime) Fibonacci prime (the 4723rd Fibonacci number, 4723 is prime) has 987 digits, which is also a Fibonacci number.

  • @quantumfoam539
    @quantumfoam539 2 месяца назад +6

    Plot twist: Maybe the release itself of so many Numberphile apocalyptic videos is the sign that the End is near

  • @nathanderhake839
    @nathanderhake839 2 месяца назад +2

    I love seeing these videos with Tony. Always very interesting.

  • @GoodWoIf
    @GoodWoIf 2 месяца назад +12

    I was hoping for some stuff about 616.

    • @BibleBlack667
      @BibleBlack667 2 месяца назад +1

      Finally! Someone else concurs!

  • @fosterdawson7339
    @fosterdawson7339 2 месяца назад

    Thank you numberphile for the 3am est upload

  • @jacksonstarky8288
    @jacksonstarky8288 2 месяца назад +2

    I'm not surprised that there aren't any prime 666-digit Fibonacci numbers, but I was surprised that there were five Fibonacci numbers with 666 digits... at least until I thought about how the sequence is generated and what Tony said earlier about the exponentially-increasing sample size as we increase the number of digits.

  • @GayNeekOG
    @GayNeekOG 2 месяца назад +8

    Somewhere a Hollywood screen writer is salivating over this video 😂

  • @jimmyzhao2673
    @jimmyzhao2673 2 месяца назад +2

    These mathematical incantations are getting very dangerous.

  • @plackt
    @plackt 2 месяца назад +11

    Wait, is the third Apocalypse Prime 1....6409 (two squares), as was written, or ...6049 (only one square), as was printed?

  • @chrislewis7811
    @chrislewis7811 2 месяца назад +3

    4:02 what "looking for" is there here? The nth Fibonacci number is the nearest integer to phi^n/sqrt(5), so it's completely trivial to find all the Fibonacci numbers of any given length using logarithms.

  • @olbaze
    @olbaze 5 дней назад

    5.9 x 10^662 looks like a big number, but there's 9 x 10^665 numbers with 6 digits in them. Do the division, and you end up with about a 1:1500 ratio for primes:numbers. To put that into context, the 1500th prime is 12553, so that's a ratio about 1:9.

  • @wiseSYW
    @wiseSYW 2 месяца назад +1

    3:25
    that is a lot, but compared to all numbers with 666 digits, it's only 0.0059% of it

  • @stevefrandsen7897
    @stevefrandsen7897 2 месяца назад

    If Tony could talk about it all day then I could listen all day

  • @babynekochara6997
    @babynekochara6997 2 месяца назад

    Video suggestion: the "jump all but one" game or other similar small handheld puzzles (say 15 puzzle, but that's been done before)

  • @adamhanninen8295
    @adamhanninen8295 2 месяца назад +1

    Personally I want to hear a deeper discussion on Tony’s latest preprint about the -1/12. 👌🏼

  • @yanntal954
    @yanntal954 2 месяца назад +3

    1:44 First Turing complete computer by Charles Babbage was conceived in 1837!
    Maybe it's a sign that something like AI will wipe us all 😂

  • @N.I.R.A.T.I.A.S.
    @N.I.R.A.T.I.A.S. 2 месяца назад +2

    "There were loads of riots in New York City, basically driven by poverty. The banks were failing as well."
    Me: 🤔

  • @pacman52280
    @pacman52280 2 месяца назад +4

    I wonder what the 666th number that is both a prime number AND a Fibonacci number.

  • @adonaihilario1006
    @adonaihilario1006 Месяц назад

    5.9 x 10^662 primes with 666 digits is actually a very small number if you think a bit. Since there are 9 x 10^665 numbers with 666 digits, you basically have that 0.06555...% of them are primes. As a comparison, 7.8498% of the numbers between 1 and 1 million are primes.

  • @ubertoaster99
    @ubertoaster99 2 месяца назад +1

    Everton -2 points today. Sad times for Tony :o(

  • @frankharr9466
    @frankharr9466 2 месяца назад +1

    That does seem like a lot of fun.

  • @jamesalewis
    @jamesalewis 6 дней назад

    One would expect 1/log(phi) (that is, 4.78) Fibonacci numbers to have N digits for any N, so either 4 or 5, roughly alternatingly.

  • @harrysollmer1644
    @harrysollmer1644 20 дней назад

    Interesting 😮

  • @doctorscoot
    @doctorscoot 2 месяца назад

    Of the primes which are also Apocalypse Numbers, how many Mersenne Primes are there?

  • @pedrocasella2315
    @pedrocasella2315 2 месяца назад

    They should invent a property of apocalyptic numbers just so that 2020 fits there. This would be very meaningful...

  • @DukeBG
    @DukeBG 2 месяца назад +2

    Prime numbers are not that rare. I'm surprised with all of Brady's experience, he still thought they are.
    As Tony says, the estimation is N/ln(N), so if N has form 10^x, then pi(N) = 10^x/(x * ln(10)). The denominator is just knocking off log10(x * ln(10)) ≈ log10(x) + 0.3 digits from the numerator's power. 666 is 3-digit long, so the amount of primes would be ≈ 10^(666-3). Prime numbers are very much not a rarity at all.

    • @ph1ber
      @ph1ber 2 месяца назад +3

      I'm pretty sure his confusion comes from this: If you pick an integer uniformly at random from the first N, then the probability of drawing a prime is 1/log N. So as N increases, you are less likely to draw a prime. So in this sense, they indeed become "rarer". You are of course correct that the number of primes between, say N and N/2 in absolute number increases as N increases.

    • @minirop
      @minirop 2 месяца назад +3

      @@ph1ber and the fact, that the difference between 10^666 and 10^662 is enormous. it's not just 10^4

    • @DukeBG
      @DukeBG 2 месяца назад +2

      Yes, exactly. But compare it, to, for example, squares. There are ridiculously less squares than primes. There would be about 10^333 with 666dd. Still a lot, of course.

  • @SangaPommike
    @SangaPommike 2 месяца назад +1

    There's 2 apocalyptic apocalypse numbers! Who knew!

  • @mugenversstudios613
    @mugenversstudios613 Месяц назад

    "Oh, here's to my sweet Satan.
    The one whose little path would make us sad, whose power is Satan.
    He'll give those with him 666.
    There was a little tool shed where he made us suffer, sad Satan."
    -Led Zeppelin, 1970, from a backwards recording of "Stairway To Heaven"

  • @17.11Acts
    @17.11Acts 28 дней назад

    Have you ever looked into the research of mathematician, Ivan Panin? Very very interesting story with his work!

  • @ceulgai2817
    @ceulgai2817 2 месяца назад

    Imo, apocalypse numbers are nonce, since they're entirely dependent on your counting system.

  • @Cerzus
    @Cerzus 2 месяца назад +2

    2:10 So is it ...6409 as Tony says or ...6049 as in the animation?

    • @SgtSupaman
      @SgtSupaman 2 месяца назад

      You'll find out in the year 6049...

  • @Jebez42
    @Jebez42 2 месяца назад

    I have just one word to describe the correlations made in this video - woo

  • @Chuaaaaaaaaaaaaa
    @Chuaaaaaaaaaaaaa 2 месяца назад +1

    Tony has a bunker somewhere probably...

  • @alexisdespland4939
    @alexisdespland4939 2 месяца назад

    what is the highest number that is both a fibanachi number and pr a prome nuber.

  • @dogwalker666
    @dogwalker666 2 месяца назад +1

    You made this about me 😂

  • @zakblackhawk204
    @zakblackhawk204 2 месяца назад

    Thought of an interesting problem....
    There are 18 4-digit numbers that contain "666", 19 if you count the one with leading zero. That's 18 out of 9000, or 19 out of 10000. For more digits, there are more that contain it, and also almost twice the percentage. So at what number of digits are there MORE numbers that contain "666" than which don't? I predict it's over 503 digits, but it might actually be less. Can't find an answer to this anywhere.
    A simpler parallel is for what number of digits there are more numbers that contain the single digit "1" or any other, than which doesn't....

  • @hmwndp
    @hmwndp 2 месяца назад

    I see the video was uploaded 9 minutes ago, but all the comments are from up to 1 hour ago!

  • @NyznTvfk
    @NyznTvfk 2 месяца назад

    u forgot to mention the magic squares of 666; 3x3 squares especially...

  • @yoram_snir
    @yoram_snir 2 месяца назад +1

    Wonderful 💎 I can listen to that stuff all day

  • @GreatCollapsingHrung
    @GreatCollapsingHrung 2 месяца назад +18

    Please don't change this channel to Numerologyphile

  • @ecsodikas
    @ecsodikas 2 месяца назад

    Why are there not 666 videos in this series?

  • @sherriffs2554
    @sherriffs2554 Месяц назад

    You should have probably noted that π is just a denotation here and not a value.

  • @edvardpiano
    @edvardpiano 2 месяца назад +2

    You can figure out in your head if 1...(a bunch of zeroes)..1 is divisible by 11 very easily, since if the alternating sum of digits in a number is divisible by 11 the number itself also is. So 101 is not since 1-0+1 = 2 but 1001 is since 1-0+0-1 = 0
    Meaning that any number with an even amount of digits starting and ending in one, with a bunch of zeroes in between, must be divisible by 11.

  • @mtranchi
    @mtranchi 2 месяца назад +1

    3:24 10^662? So like an order of magnitude more than the amount of atoms in the universe?

  • @danobro
    @danobro 2 месяца назад +2

    How the hell are there comments from 1 day ago when the video is only 41 minutes old?!

    • @KRAWofficial
      @KRAWofficial 2 месяца назад

      The video was probably unlisted

    • @asheep7797
      @asheep7797 2 месяца назад +2

      It was unlisted, but people could access it via the description in the first video.

  • @DrKaii
    @DrKaii 21 день назад

    I just plotted the graph of "number of digits 0-100" x axis and "number of fibonacci numbers with x digits" y axis and it was weird. Wish someone would explain it

  • @tamirleibovich
    @tamirleibovich 2 месяца назад

    Just opened
    my bank account and I’m quite far from a 666 digit number

  • @shannonmarbut3648
    @shannonmarbut3648 2 месяца назад

    I think if you try hard enough, any number can be expressed as a power of 666. It won't be a whole number power though

  • @MrAmalasan
    @MrAmalasan 2 месяца назад +3

    felt like you were battling the focus a lot in this trilogy, disorienting when going down to the paper

  • @emuhast
    @emuhast 2 месяца назад +4

    Looking at the soccer-robot picture and remembering the "Legions" in the last video, i have to ask: Did you use AI to make those images?

    • @aryst0krat
      @aryst0krat 2 месяца назад +6

      Pretty clearly yes, I'd say.

  • @OmnipotentPotato
    @OmnipotentPotato 2 месяца назад +1

    Imagine if there were an apocalypse Fibonacci prime which has 666 among its digits 😶

  • @JohannaMueller57
    @JohannaMueller57 17 дней назад

    if you have 10^662-ish primes that are 666 digits long, does that mean they're about 10^4 apart on average? 🤔

  • @franckplanks
    @franckplanks 2 месяца назад

    As of April 23, 2024, this channel has reached 666 million views.

  • @skyscraperfan
    @skyscraperfan 2 месяца назад

    I read "apologetic" number 😀

  • @TonyManso
    @TonyManso 2 месяца назад

    Has anyone tried dividing F3188 by F3187 of the fibonacci sequence?

  • @Bear-re5xm
    @Bear-re5xm 2 месяца назад

    Is there any sequence of X length fibonocci numbers greater than 5?

    • @telhudson863
      @telhudson863 2 месяца назад

      x=1; 1 1 2 3 5 8. That's the only one.

  • @OneBentMonkey
    @OneBentMonkey 2 месяца назад +1

    Now that the series is over I hope all the paper was ritualistically burned according to the ancient rites to avoid summoning something 😂

  • @davidfraser2946
    @davidfraser2946 2 месяца назад +1

    up the toffees!

  • @PeterFreese
    @PeterFreese 2 месяца назад

    What is the probability that a Fibonacci number is a prime?

  • @steveclark2205
    @steveclark2205 2 месяца назад

    666= All numbers on a roulette table added together ❤️

  • @danobro
    @danobro 2 месяца назад +1

    Imagine getting the 666th like - what an honour that would be

  • @shruggzdastr8-facedclown
    @shruggzdastr8-facedclown 2 месяца назад

    What about alpaca lips numbers?
    😏

  • @madansaini8184
    @madansaini8184 2 месяца назад

    Satte ke number kaise nikale iski uski nikaalne ki calculation

  • @DjynnFlyssa
    @DjynnFlyssa 2 месяца назад +2

    This trilogy's been great fun, but it's a shame to see so much machine-made imagery. The illustrations bring so much character to the videos, and seeing that farmed out to "AI" is sad!

    • @Evil_Narwhal
      @Evil_Narwhal 2 месяца назад

      What part do you think is using AI?

    • @DjynnFlyssa
      @DjynnFlyssa 2 месяца назад

      @@Evil_Narwhal The 6049 football team in this video, the images of demons and giants in the previous two.

  • @tjspeirs75
    @tjspeirs75 21 день назад

    Oh no... AI art at 2:30? 😞

  • @MrBeezweeky
    @MrBeezweeky 2 месяца назад +1

    How many numbers are 666 digits long

  • @TheCosmicGuy0111
    @TheCosmicGuy0111 2 месяца назад

    Woah

  • @kiro9291
    @kiro9291 2 месяца назад

    "maybe these are years. :)"

  • @romanvolotov
    @romanvolotov 2 месяца назад

    they did everton dirty

  • @znotch87
    @znotch87 2 месяца назад

    All day, but only 6 minutes? Damn shame!

  • @unyous3319
    @unyous3319 2 месяца назад

    SIR SHILONG SATTA GAME FR KA NUMBAR SINGLE DIJIYE EVERY DAY THSNK YOU 🎉.

  • @johnbones261
    @johnbones261 2 месяца назад

    Queen Victoria ascended to the throne in 1887?.

  • @VikingTeddy
    @VikingTeddy 2 месяца назад

    I hate that we can't downvite anymore. It's 667 for goodness sake!

  • @stevehines7520
    @stevehines7520 2 месяца назад

    time signature: 6:55

  • @Sara-zr4yz
    @Sara-zr4yz 2 месяца назад

    Just for fun, are there any prime numbers like 999888777666555444333222111 or 999997777788888666664444422222255555111113333333 ? Just curious.

  • @primarykeymusic
    @primarykeymusic 2 месяца назад

    6049 or 6409?

  • @stevehines7520
    @stevehines7520 2 месяца назад

    19

  • @scottsinner7530
    @scottsinner7530 2 месяца назад

    I’m sorry, in what world did Everton win the league in 1995?

    • @Euler13
      @Euler13 2 месяца назад

      He didn't say they won the league, he said it was the last time they won anything. They beat Manchester United in the FA Cup final.

  • @sayeager5559
    @sayeager5559 2 месяца назад

    6094. The 60th day of 1994 which is March 1. Justin Beiber was born......

  • @WallyST675
    @WallyST675 2 месяца назад

    Had to hit the like button for the 667th like, sorry about that.

  • @Gabelolguy
    @Gabelolguy 2 месяца назад +1

    Should've done this one on Halloween, boys. That's a scary scary base

  • @kalmdwn7711
    @kalmdwn7711 2 месяца назад

    while in other cultures it's triple luck

  • @PlasteredDragon
    @PlasteredDragon 2 месяца назад +1

    The thing is that all "special" numbers based on digit patterns immediately lose their "specialness" if you look at them in any base other than 10. So really we're just exploring things that are curiosities of base 10 rather than things that are special about any of these particular numbers. Pick a number N that is special because of digit pattern X in base 10. I'd be willing to bet that N-1 while not special in base 10, is probably special with digit pattern X in some other base. Same for N+1.
    I dunno it just feels akin to changing your printer ink cartridge and then getting excited about the new "DARK" numbers that come out afterward.

  • @shruggzdastr8-facedclown
    @shruggzdastr8-facedclown 2 месяца назад

    6049 will be the year when the Cleveland Browns will finally win a Super Bowl!
    😏

  • @user-ge9ed9km4k
    @user-ge9ed9km4k Месяц назад

    こんにちは😃😂😊❤

  • @undr3s1
    @undr3s1 2 месяца назад

    this is some devil's number

  • @RobertMStahl
    @RobertMStahl 2 месяца назад

    666, 6

  • @user-ed4kp3lt2m
    @user-ed4kp3lt2m 2 месяца назад

    We need translate to Arabic with thanks..

  • @scoon2117
    @scoon2117 2 месяца назад

    666

  • @TheDarkElder
    @TheDarkElder 2 месяца назад +1

    Just 5 of them. Literally a handful. That must be the sign we got five fingers. I smell a conspiracy! 😀

  • @robertolson7304
    @robertolson7304 2 месяца назад

    How do you even measure 3 locations to find slope? What would take you to measure 3 locations find a slope? Rise, run, and ?. Rise,run, width? Then put that into 3 locations. 3x3=9. That has to equal .666 or 666.0.... idea is you have 6 happening 3 times. So 3 locations of 6 value.

  • @JohnPretty1
    @JohnPretty1 2 месяца назад

    Mathematics + Superstition = Physics.
    QED

  • @davidmaxwaterman
    @davidmaxwaterman 2 месяца назад +1

    Something bothers me about calling them "Apocalyptic"...some cultures would consider it very lucky.