Added: 1 month ago
From: numberphile
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  • Mine is 73.

    73 is the 21st prime number.

    It's recipricol, 37, is the 12th prime number. (Prime order also recipricates.)

    7*3=21

    AND, 73 written in binary is 1001001, a palindrome.

  • If it's undefined, which by your definition means it has no value, then would it not be equal to zero? Zero is, by it's very nature, a number without a value.

  • I can't wait till I have my first emotional fling with a number. :P

  • What about 1?

  • AY YO NUMBERS GIT ME HARD YO BOUT TO BUST A MATH NUT UP IN HURRR

  • I don't think british people should say "all up in yo' grill".

  • @jdiger101 how are either of these two British?

  • @sharktamer They're "british" (notice his lower case b) because to untraveled, uneducated American kids, any English speaker with a "weird" accent is British. Yes, it's unfortunately possible to grow up in middle America and not know about one of the most recognizable dialects of the Anglophone world: Australian.

  • @arcadesj

    Well said sir

    

  • @sharktamer Fine. Adults shouldn't say it.

  • aww his gf would be like "D'AWWW"

  • Check out this link, and read Ezekiel 34 (NKJV) in Spiritual Harmony with the number 34.

    I tried to past a link to Melancholia I (Knight Templar painting by Duhrer 1514 a.d.) but got an error message..."try again."

  • As everyone is saying, 1 is surely part of this series of numbers as well

  • Comment removed

  • my favorite number is radical 1/2 or about .7071....

  • i just love the number 8 for some reason

  • The last digit in the year you were born is a great favorite. I use mine to compare all numbers to.

  • Wouldn't 1 be a Munchausen number since 1^1 = 1, just some thoughts.

  • @theangelspen 1 and -1 are Munschausen too. In case negative count.

  • @theangelspen But, 1 is dimensionless, correct? So it would not count?

  • 4 has been my fav number since about first grade.... I FUCKING LOVE FOUR

  • i wished my math teacher in hs talked like you

  • 10 in binary is awesome. (2 in decimal)

  • My favorite number is 0 because it is constantly breaking math. 0^0 and also 0/0.

    We are told 0/x = 0, x/x=1, and x/0=undefined... so then what is 0/0?

  • @TheGuyInUrCloset 0^0 and 0/0 are the same thing, for anyone wondering

  • 34+35=69 :3 had to point it out.....

  • @MUXmrk2 damn you, i wanted to xD

  • 10 is the best number!!!!!

  • Let's Talk About Dividing By Zer.........jkjkNHJKnhsdjsANDK­landkjANDJKA dsa n s8*Uu....d90*-*09*90IUU)$*G8^d­^(utR76T87&rf^&TItr*gf&*(YG*t^­&dfuhuig98H(*fg*if&*gf*vc8^*t*­&t87GT....dandkandsjbkjBVJADBJ­HVABDVAS;jahjkdsnbaKJDNAKJL

  • @ChrstnMlt dammit, you almost broke the internet. why is there always someone trying to break the internet?!

  • Do a video about 0^0!!!

  • wouldnt 1 be a narcissistic number?

  • @peedera0 I think (im not sure) that you will need at least 2 digits in order to added... Cuz well 1^1=1 but then you will say 1+0=1 then your original number should be 10 but ten doesnt work.... I just came up with this bull shit... i dont know if it makes sense or is right.

  • haha 34 + 35 = 69

  • Record favorite number ? Mine has been 3 for 3 years <- no this is not a joke

  • im taking your sloppy seconds

  • i bet nobody acctually recount it.. ^^ So how can we be sure?

  • @JorikCallebaut what?

    

  • Mine is 69

  • What about 1? :S

  • I was just about to ask what about 438579088 too!

  • V sauce rules!

  • Anyone else look in the background glass and notice a backward HI? Cuz I did. :|

  • my fav number is 25 cuz if u turn it upside down it is the same thing

  • My favorite is 161 because i see it everywhere even when i'm not looking for it. I see it everywhere!

  • my favorite number is X

  • @TheStrangeButFunEMan Well Mah Number is w so beat that :P

  • WHAT THE FUCK IS HE ON ABOUT???

  • 111,111,111  X

    111,111,111 =12,345,678,987,654,321 Vsauce2

  • cool story bor...mine is simply anything/0

  • my favorite number is 2... it looks like a duck!

  • nambah

  • my favorite No. is 5318008 coz if u put it in calculator and reverse it , it says boobies

  • matt was my old maths teacher NO LIE :O

  • whats ya Numba?!

  • 1337 My favorite number

  • mine has always 69....

  • damn im a nerd

  • I'm pretty sure 1^1 = 1 is also true...

  • Jim Carrey?

  • feels like i'm watching something out of Monty Python's show

  • does this count as studying?

  • As soon as you wrote 0^0, I was about to comment on the fact that 0^0 is undefined, but you already made that remark.

    Nice videos, buddy. (Subscribed)

  • Wait, wouldn't different combinations of the same number have the same properties, such as 5433 or 3534?

  • @josephtheconqueror

    not quite. if you switch the order of the digits being added, it will still always add up to 3435.

  • they would all equal 3435

  • @josephtheconqueror No, if you do it for 5433 you would still get 3435 ;)

  • Numba!

  • Ok, next vid we need some translation!

  • Wow, this guy has a girlfriend? Lol, interesting vid though.

  • No one gives a shit dude. Just stop.

  • @Funnyboy1016 wuts with the likes then :p

  • 1337

  • what about leaving out the zero altogether? -

    just a comment of an mathdyslexic ;-)

  • I like 7.

  • my fav number is 69. hehe

  • shit!! i thought that was the Eaton Center when the video first started lolz

  • all vsaucers combine :P

  • vsauce brought me here.

  • its a break up for a mathematician

  • Err durr durr durrr = errrr 8 = errr durr 2

  • will this guy shut up!

  • this was shit boring

  • vsauce?

  • @subzul yes Vsauce

  • my favorite number is 1.... it's just easier :)

  • @SYamooraSY 2 is better... It looks like a duck.

  • vsauce!

  • why do you have a favourite number

  • But wtf google "zero to the power of zero" and google says one.

    YOU TELLIN' ME GOOGLE'S WRONG? O_O

  • @smexyyy96

    Don't worry, Google is right. Every mathematician will tell you that 0^0 is actually 0 because it is consistent with everything else this way,

  • remove the zero dude : ru ok :D

  • Vsauce

  • 3435 is my pin for my bank card. Now i must change it, thank you very much...

  • My favorite number is 145

    1! + 4! + 5! = 145

  • so chim...

  • lets see you do something with my favourite number 17 :)

  • i love the numbar 69 is ta best!

  • 1 is a Narcissistic number right? 1 to the power of 1 is still 1.

    Talk about Narcissism :|

  • nice save with the gf :D

  • Once upon a time there was 1 girl who was 16 years old and decided to do 69 3x

    11669 x 3 = LOOSE!

  • whats your NUMBAAAa!

  • boring

    

  • you minus me equals one less subscriber we had a good run

  • I bet I can guess your pin number.

  • yep im all up in your grill

  •  NUMBAAA :D

  • NUMBA

  • My favourite number is 5.318.008, Because When you enter 5.318.008 on a calculator, upside-down it spells "boobies." :D

  • Vsauce :D

  • 1^1 = 1

  • Google says 0^0 is one. Bam, problem solved.

  • Vsauce!!

  • my favorite number is 3. My birthday is 03/30. and if you add my birthday numbers together, 03+30+1995= 2023. 20+23= 43, 4+3= 12, 1+2=3! :D

  • @03UltraFanGirl03

    4+3 doesn't equal 12....

  • @TheRealDavlion oops ment 3 x 4 XD

  • I feel so dumb watching these informative videos. As cool as they are I realise how stupid I really am.

    Did this guy remind anyone of the australian comedian Will Anderson?

  • Comment removed

  • My favorite number is -1 to the batman symbol

  • 1^1=1

  • my favorite number is 31212

  • 0 to the 0 = 1

  • 42

  • 0 to the power 0 = 1.

    All you need to know is the limit of x to the power x as x tends to 0+ = 1

  • i like 8 cuz its cool

  • mine's PI eeeeeeeee

  • my favorite numbers 69

  • 27

  • Err, how about 1? Last I checked, 1^1=1...

  • Mine's 42.

    

  • is his gf that number ??

  • what about the 111,111,111 to the second equaling 123456789987654321?

  • @eddiedenied its actually 12345678987654321

  • nerds...

  • u must be a math teacher.....

  • 5318008 anyone?

  • I typed "zero to the zero power" o google it says 1.....

  • Vsauce brought me here

  • RALLY HO!

  • TEAM VSACE I RALLY YOU

  • Did I hear a Vsauce army coming around the corner?

  •  = 23

  • 11

  • For the 15 years I have been to alive my fav number has stayed the same :) it's 2

  • phi

  • I don't know why but I have always loved 64 since I was young.

  • 42

  • my favourite number is 73 because 73 is the 21st prime number and its mirror, 37, is the 12th prime number. And 12's mirror, 21, is the product of 7 and 3. It is also a palindromic binary number 1001001.

  • @igorcar456 Sheldon Cooper <3

  • @igorcar456 Big Bang <3

  • Comment removed

  • @codSlaktarN clearly, you are the stupid fuck here. product of numbers means they are multiplied. STUPID FUCK.

  • @codSlaktarN you're trolling right?

  • @codSlaktarN i sure hope you joking :(

  • @codSlaktarN LOL 7x3 is 21 and that product of 7 and 3 who is stupid now :DDD

  • @igorcar456 i was born in month 7-day 3- year 93...7/3/9+3=12 :P ppprrrr

  • @igorcar456 lol 21 likes!

  • @igorcar456 are you that is your favourite number? or do u just like it cos its sheldons, from big bang theory.

  • @igorcar456 Big Bang Theory?

  • @igorcar456 Lol TBBT

  • @igorcar456 wow, you're good at quoting the Big Bang Theory

  • @igorcar456

    bazinga!

  • @igorcar456 While Chuck Norris palindrome is Sirron Kcuhc.

  • Vsauce.

  • Comment removed

  • I may try to assasinate this fuck for making this video and wasting my time

  • one of my favorite numbers is 777

  • vsauce brought me here!

  • 0 to the 0... WTF

  • my favorite 4

    

  • 0 to 0 is BLACK HOLE

  • my favorite 666

  • People call me 1337 all the time...

  • this guy must be half asian