Skip navigation
IL
Upload
Sign in
Search
Numberphile
Videos
Playlists
Channels
Discussion
About
Home
Trending
History
Best of YouTube
Music
Sports
Gaming
News
Live
360° Video
Browse channels
Sign in now to see your channels and recommendations!
Sign in
Watch Queue
Queue
Watch Queue
Queue
Remove all
Disconnect
Loading...
Watch Queue
Queue
__count__/__total__
Numberphile website
Numberphile
Subscribe
Subscribed
Unsubscribe
1,764,162
Loading...
Loading...
Working...
Home
Videos
Playlists
Channels
Discussion
About
Mile of Pi - Numberphile
1,428,376 views
1 year ago
A million digits of Pi on one piece of paper (1.05 miles).
More about how and why:
http://youtu.be/99Welatppzk
More Pi videos from Numberphile:
http://bit.ly/PiPlaylist
Film by Brady Haran
Our thanks to HP and HSA Systems.
Extra special thanks to Hugh McPartlan, Torben Dam Jensen, Jesper Hyldager and Jon Kenny.
Discuss on reddit:
http://redd.it/2jzr4t
Presenter: Matt Parker
Music: Alan Stewart
Extra cameras: James Hennessy and Ed Fielden.
Runway unrolling crew: Hugh McPartlan, Jon Kenny, Sue McPartlan, Pete McPartlan, Dave Pentelow, Scott Pentelow, Josh Pentelow, Jacob Bateson and CGP Grey.
Paper courtesy of Millingtons.
NUMBERPHILE
Website:
http://www.numberphile.com/
Numberphile on Facebook:
http://www.facebook.com/num...
Numberphile tweets:
https://twitter.com/numberp...
Google Plus:
http://bit.ly/numberGplus
Tumblr:
http://numberphile.tumblr.com
Numberphile is supported by the Mathematical Sciences Research Institute (MSRI):
http://bit.ly/MSRINumberphile
Support us on Patreon:
http://www.patreon.com/numb...
Brady's videos subreddit:
http://www.reddit.com/r/Bra...
A run-down of Brady's channels:
http://www.bradyharan.com
HP:
http://bit.ly/HPSpecialtyPr...
HSA Systems:
http://www.hsasystems.com
Subscribe to Brady's mail list for chances to get some of the paper:
http://eepurl.com/YdjL9
Show less
Read more
Uploads
Play all
9:03
Play next
Play now
Space-Filling Curves - Numberphile
- Duration: 9 minutes, 3 seconds.
156,413 views
4 days ago
6:34
Play next
Play now
The Most Powerful Dice - Numberphile
- Duration: 6 minutes, 34 seconds.
160,473 views
1 week ago
8:12
Play next
Play now
Fair Dice (Part 2) - Numberphile
- Duration: 8 minutes, 12 seconds.
130,394 views
2 weeks ago
13:14
Play next
Play now
Fair Dice (Part 1) - Numberphile
- Duration: 13 minutes.
224,701 views
2 weeks ago
9:50
Play next
Play now
A Hole in a Hole in a Hole - Numberphile
- Duration: 9 minutes, 50 seconds.
476,306 views
3 weeks ago
11:13
Play next
Play now
Coffee Cup Vibrations - Numberphile
- Duration: 11 minutes.
185,066 views
3 weeks ago
8:54
Play next
Play now
Calculator Unboxing #8 (Printing Digits) - Numberphile
- Duration: 8 minutes, 54 seconds.
144,316 views
1 month ago
7:40
Play next
Play now
The Mathematician's Office - Numberphile
- Duration: 7 minutes, 40 seconds.
173,766 views
1 month ago
CC
7:04
Play next
Play now
The Secret of Floppy Paper - Numberphile
- Duration: 7 minutes, 4 seconds.
188,383 views
1 month ago
8:45
Play next
Play now
The Legend of Question Six - Numberphile
- Duration: 8 minutes, 45 seconds.
316,327 views
1 month ago
5:56
Play next
Play now
A Strange Change of Rotation - Numberphile
- Duration: 5 minutes, 56 seconds.
183,425 views
1 month ago
7:52
Play next
Play now
UNCRACKABLE? The Collatz Conjecture - Numberphile
- Duration: 7 minutes, 52 seconds.
323,413 views
1 month ago
View all
This item has been hidden
Popular uploads
Play all
5:09
Play next
Play now
The Scientific Way to Cut a Cake - Numberphile
- Duration: 5 minutes, 9 seconds.
13,182,338 views
2 years ago
CC
8:00
Play next
Play now
Infinity is bigger than you think - Numberphile
- Duration: 8 minutes.
4,691,402 views
4 years ago
CC
7:50
Play next
Play now
ASTOUNDING: 1 + 2 + 3 + 4 + 5 + ... = -1/12
- Duration: 7 minutes, 50 seconds.
4,409,304 views
2 years ago
CC
7:30
Play next
Play now
Did Usain Bolt REALLY run 100m in 9.63 seconds?
- Duration: 7 minutes, 30 seconds.
3,046,851 views
4 years ago
CC
13:00
Play next
Play now
Problems with Zero - Numberphile
- Duration: 13 minutes.
2,562,189 views
3 years ago
CC
11:06
Play next
Play now
666 - Numberphile
- Duration: 11 minutes.
2,508,014 views
4 years ago
CC
7:01
Play next
Play now
Googol and Googolplex - Numberphile
- Duration: 7 minutes, 1 second.
2,436,359 views
4 years ago
CC
11:52
Play next
Play now
158,962,555,217,826,360,000 (Enigma Machine) - Numberphile
- Duration: 11 minutes.
2,381,821 views
3 years ago
CC
14:29
Play next
Play now
British Numbers confuse Americans - Numberphile
- Duration: 14 minutes.
2,322,744 views
3 years ago
CC
11:10
Play next
Play now
One minus one plus one minus one - Numberphile
- Duration: 11 minutes.
2,226,090 views
3 years ago
CC
5:59
Play next
Play now
Illegal Numbers - Numberphile
- Duration: 5 minutes, 59 seconds.
2,079,021 views
3 years ago
CC
4:54
Play next
Play now
The problem in Good Will Hunting - Numberphile
- Duration: 4 minutes, 54 seconds.
2,028,760 views
3 years ago
CC
View 100+ more
This item has been hidden
Director's Cut
Play all
The Mathematical Sciences Research Institute's director, Professor David Eisenbud, picked a few of his favourite videos.
9:45
Play next
Play now
How to always win at Dots and Boxes - Numberphile
- Duration: 9 minutes, 45 seconds.
Numberphile
906,381 views
1 year ago
14:09
Play next
Play now
Perfect Number Proof - Numberphile
- Duration: 14 minutes.
Numberphile
274,190 views
1 year ago
CC
5:20
Play next
Play now
All Triangles are Equilateral - Numberphile
- Duration: 5 minutes, 20 seconds.
Numberphile
462,079 views
1 year ago
CC
8:37
Play next
Play now
Stable Marriage Problem - Numberphile
- Duration: 8 minutes, 37 seconds.
Numberphile
454,421 views
2 years ago
7:22
Play next
Play now
Fix a Wobbly Table (with Math)
- Duration: 7 minutes, 22 seconds.
Numberphile
842,356 views
2 years ago
CC
9:11
Play next
Play now
The Mandelbrot Set - Numberphile
- Duration: 9 minutes, 11 seconds.
Numberphile
589,195 views
2 years ago
CC
13:01
Play next
Play now
Odd Equations - Numberphile
- Duration: 13 minutes.
Numberphile
523,873 views
2 years ago
8:06
Play next
Play now
How many panels on a soccer ball? - Numberphile
- Duration: 8 minutes, 6 seconds.
Numberphile
192,537 views
2 years ago
9:04
Play next
Play now
Life, Death and the Monster - Numberphile
- Duration: 9 minutes, 4 seconds.
Numberphile
241,089 views
2 years ago
8:57
Play next
Play now
A Mathematical Fable - Numberphile
- Duration: 8 minutes, 57 seconds.
Numberphile
387,638 views
2 years ago
12:13
Play next
Play now
63 and -7/4 are special - Numberphile
- Duration: 12 minutes.
Numberphile
854,815 views
2 years ago
13:42
Play next
Play now
Pebbling a Chessboard - Numberphile
- Duration: 13 minutes.
Numberphile
399,084 views
2 years ago
CC
View 2 more
This item has been hidden
Pi
Play all
Numberphile videos about the most famous ratio of all - Pi.
6:28
Play next
Play now
Mile of Pi - Numberphile
- Duration: 6 minutes, 28 seconds.
Numberphile
1,428,376 views
1 year ago
CC
3:14
Play next
Play now
Calculating Pi with Real Pies - Numberphile
- Duration: 3 minutes, 14 seconds.
Numberphile
639,197 views
3 years ago
CC
4:56
Play next
Play now
How Pi was nearly changed to 3.2 - Numberphile
- Duration: 4 minutes, 56 seconds.
Numberphile
1,515,085 views
3 years ago
CC
8:24
Play next
Play now
Pi is Beautiful - Numberphile
- Duration: 8 minutes, 24 seconds.
Numberphile
1,169,357 views
2 years ago
6:28
Play next
Play now
Sounds of Pi - Numberphile
- Duration: 6 minutes, 28 seconds.
Numberphile
504,984 views
4 years ago
CC
6:28
Play next
Play now
Pi and Buffon's Matches - Numberphile
- Duration: 6 minutes, 28 seconds.
Numberphile
439,290 views
4 years ago
CC
13:14
Play next
Play now
Pi and Bouncing Balls - Numberphile
- Duration: 13 minutes.
Numberphile
507,268 views
4 years ago
CC
9:42
Play next
Play now
Pi - Numberphile
- Duration: 9 minutes, 42 seconds.
Numberphile
595,701 views
4 years ago
CC
7:56
Play next
Play now
Pi and the Mandelbrot Set - Numberphile
- Duration: 7 minutes, 56 seconds.
Numberphile
298,260 views
11 months ago
CC
5:34
Play next
Play now
Pi and the size of the Universe - Numberphile
- Duration: 5 minutes, 34 seconds.
Numberphile
675,483 views
3 years ago
CC
6:28
Play next
Play now
Pi me a River - Numberphile
- Duration: 6 minutes, 28 seconds.
Numberphile
279,578 views
2 years ago
6:28
Play next
Play now
Pi Prog Rock - Numberphile
- Duration: 6 minutes, 28 seconds.
Numberphile
220,607 views
2 years ago
View 6 more
This item has been hidden
Prime Numbers
Play all
Our videos featuring prime numbers
13:38
Play next
Play now
5040 and other Anti-Prime Numbers - Numberphile
- Duration: 13 minutes.
Numberphile
509,966 views
2 months ago
12:32
Play next
Play now
How they found the World's Biggest Prime Number - Numberphile
- Duration: 12 minutes.
Numberphile
491,398 views
8 months ago
CC
6:39
Play next
Play now
New World's Biggest Prime Number (PRINTED FULLY ON PAPER) - Numberphile
- Duration: 6 minutes, 39 seconds.
Numberphile
398,692 views
8 months ago
CC
13:32
Play next
Play now
Glitch Primes and Cyclops Numbers - Numberphile
- Duration: 13 minutes.
Numberphile
388,724 views
9 months ago
CC
6:19
Play next
Play now
What do 5, 13 and 563 have in common?
- Duration: 6 minutes, 19 seconds.
Numberphile
503,897 views
2 years ago
17:04
Play next
Play now
Riemann Hypothesis - Numberphile
- Duration: 17 minutes.
Numberphile
1,228,187 views
2 years ago
CC
3:43
Play next
Play now
Fool-Proof Test for Primes - Numberphile
- Duration: 3 minutes, 43 seconds.
Numberphile
424,240 views
2 years ago
CC
7:09
Play next
Play now
Liar Numbers - Numberphile
- Duration: 7 minutes, 9 seconds.
Numberphile
525,593 views
2 years ago
CC
5:34
Play next
Play now
WARNING: Contains Numbers
- Duration: 5 minutes, 34 seconds.
Numberphile
331,759 views
3 years ago
CC
8:41
Play next
Play now
Primes are like Weeds (PNT) - Numberphile
- Duration: 8 minutes, 41 seconds.
Numberphile
430,365 views
3 years ago
CC
7:26
Play next
Play now
Awesome Prime Number Constant - Numberphile
- Duration: 7 minutes, 26 seconds.
Numberphile
333,173 views
3 years ago
CC
9:06
Play next
Play now
Prime Spirals - Numberphile
- Duration: 9 minutes, 6 seconds.
Numberphile
675,571 views
3 years ago
CC
View 10 more
This item has been hidden
Tadashi Tokieda
Play all
6:34
Play next
Play now
The Most Powerful Dice - Numberphile
- Duration: 6 minutes, 34 seconds.
Numberphile
160,473 views
1 week ago
11:13
Play next
Play now
Coffee Cup Vibrations - Numberphile
- Duration: 11 minutes.
Numberphile
185,066 views
3 weeks ago
7:04
Play next
Play now
The Secret of Floppy Paper - Numberphile
- Duration: 7 minutes, 4 seconds.
Numberphile
188,383 views
1 month ago
5:56
Play next
Play now
A Strange Change of Rotation - Numberphile
- Duration: 5 minutes, 56 seconds.
Numberphile
183,425 views
1 month ago
3:59
Play next
Play now
Catching Kendama - Numberphile
- Duration: 3 minutes, 59 seconds.
Numberphile
204,731 views
4 months ago
CC
2:41
Play next
Play now
Borromean Ribbons - Numberphile
- Duration: 2 minutes, 41 seconds.
Numberphile
202,154 views
4 months ago
CC
4:05
Play next
Play now
Subtracting Paperclips - Numberphile
- Duration: 4 minutes, 5 seconds.
Numberphile
149,802 views
4 months ago
CC
17:09
Play next
Play now
Perplexing Paperclips - Numberphile
- Duration: 17 minutes.
Numberphile
421,376 views
5 months ago
CC
12:53
Play next
Play now
Strange Spinning Tubes - Numberphile
- Duration: 12 minutes.
Numberphile
270,225 views
7 months ago
CC
7:22
Play next
Play now
Freaky Dot Patterns - Numberphile
- Duration: 7 minutes, 22 seconds.
Numberphile
457,858 views
9 months ago
CC
4:26
Play next
Play now
Unexpected Shapes (extra footage) - Numberphile
- Duration: 4 minutes, 26 seconds.
Numberphile2
65,653 views
10 months ago
2:09
Play next
Play now
Cute Paper Trick - Numberphile
- Duration: 2 minutes, 9 seconds.
Numberphile
420,241 views
10 months ago
CC
View 2 more
This item has been hidden
Holly Krieger
Play all
9:11
Play next
Play now
The Mandelbrot Set - Numberphile
- Duration: 9 minutes, 11 seconds.
Numberphile
589,195 views
2 years ago
CC
12:13
Play next
Play now
63 and -7/4 are special - Numberphile
- Duration: 12 minutes.
Numberphile
854,815 views
2 years ago
7:56
Play next
Play now
Pi and the Mandelbrot Set - Numberphile
- Duration: 7 minutes, 56 seconds.
Numberphile
298,260 views
11 months ago
CC
6:48
Play next
Play now
Filled Julia Set
- Duration: 6 minutes, 48 seconds.
Numberphile2
155,189 views
2 years ago
This item has been hidden
Calculator Unboxings
Play all
For serious?
8:54
Play next
Play now
Calculator Unboxing #8 (Printing Digits) - Numberphile
- Duration: 8 minutes, 54 seconds.
Numberphile
144,316 views
1 month ago
7:54
Play next
Play now
Calculator Unboxing #7 (Gaxio) - Numberphile
- Duration: 7 minutes, 54 seconds.
Numberphile
205,111 views
2 months ago
CC
9:34
Play next
Play now
Calculator Unboxing #6 (Staples collection) - Numberphile
- Duration: 9 minutes, 34 seconds.
Numberphile
242,637 views
7 months ago
6:17
Play next
Play now
Calculator Unboxing #5 (Little Professor) - Numberphile
- Duration: 6 minutes, 17 seconds.
Numberphile
257,297 views
1 year ago
5:33
Play next
Play now
Calculator Unboxing #4 (Bamboo Calculator) - Numberphile
- Duration: 5 minutes, 33 seconds.
Numberphile
274,143 views
2 years ago
7:38
Play next
Play now
Calculator Unboxing #3 (Casio Watch) - Numberphile
- Duration: 7 minutes, 38 seconds.
Numberphile
383,422 views
2 years ago
8:18
Play next
Play now
Calculator Unboxing #2 (Casio fx) - Numberphile
- Duration: 8 minutes, 18 seconds.
Numberphile
301,694 views
2 years ago
13:50
Play next
Play now
Calculator Unboxing #1 - Numberphile
- Duration: 13 minutes.
Numberphile
660,404 views
2 years ago
This item has been hidden
Created playlists
202
videos
Play all
Play now
Liked videos
- Playlist
8:08
Elephant's Toothpaste (slow motion) - Periodic Table of Videos
13:32
Glitch Primes and Cyclops Numbers - Numberphile
0:29
Coping
View full playlist (202 videos)
4
videos
Play all
Play now
Dragon Curve on Numberphile
- Playlist
Updated 4 days ago
7:04
Dragon Curve - Numberphile
7:09
Wrong Turn on the Dragon - Numberphile
View full playlist (4 videos)
3
videos
Play all
Play now
Henry Segerman on Numberphile
- Playlist
Updated 4 days ago
9:03
Space-Filling Curves - Numberphile
4:51
Three Gears are Possible - Numberphile
View full playlist (3 videos)
6
videos
Play all
Play now
Coins
- Playlist
7:40
How random is a coin toss? - Numberphile
8:06
Consecutive Coin Flips - Numberphile
3:15
Should you catch a tossed coin? - Numberphile
View full playlist (6 videos)
12
videos
Play all
Play now
Dice
- Playlist
6:25
Weird But Fair Dice (plus the D120) - Numberphile
8:12
Fair Dice (Part 2) - Numberphile
13:14
Fair Dice (Part 1) - Numberphile
View full playlist (12 videos)
2
videos
Play all
Play now
Cedric Villani
- Playlist
9:53
The Fields Medal (with Cédric Villani) - Numberphile
7:40
The Mathematician's Office - Numberphile
View full playlist (2 videos)
13
videos
Play all
Play now
Simon Pampena
- Playlist
9:28
The Heart of Fermat's Last Theorem - Numberphile
13:32
Glitch Primes and Cyclops Numbers - Numberphile
11:34
That Viral Math Problem (Cheryl's Birthday) - Numberphile
View full playlist (13 videos)
7
videos
Play all
Play now
Cliff Stoll
- Playlist
6:49
The man with 1,000 Klein Bottles UNDER his house - Numberphile
8:33
The Millionaire Machine - Numberphile
7:31
Cutting a Klein Bottle in Half - Numberphile
View full playlist (7 videos)
4
videos
Play all
Play now
Monty Hall Problem
- Playlist
5:31
Monty Hall Problem - Numberphile
4:18
Monty Hall Problem for Dummies - Numberphile
0:49
Monty Hall Problem Express Explanation
View full playlist (4 videos)
6
videos
Play all
Play now
Magic Squares
- Playlist
3:58
Magic Square Party Trick - Numberphile
4:54
The Parker Square - Numberphile
3:03
Magic Square Party Trick (extra footage)
View full playlist (6 videos)
5
videos
Play all
Play now
Fermat's Last Theorem
- Playlist
5:28
Fermat's Last Theorem (extra footage) - Numberphile
9:31
Fermat's Last Theorem - Numberphile
7:53
Homer Simpson vs Pierre de Fermat - Numberphile
View full playlist (5 videos)
8
videos
Play all
Play now
Carlo Séquin
- Playlist
5:20
All Triangles are Equilateral - Numberphile
5:43
Möbius Knots and Roller Coasters - Numberphile
6:56
Prime Knots - Numberphile
View full playlist (8 videos)
View 30+ more
Show more
This item has been hidden
Best of Nuberphile2 (our extras channel)
Play all
6:05
Play next
Play now
Why Basic Research is Important - Numberphile
- Duration: 6 minutes, 5 seconds.
Numberphile2
65,452 views
1 year ago
3:46
Play next
Play now
Complex Numbers are Awesome
- Duration: 3 minutes, 46 seconds.
Numberphile2
229,348 views
2 years ago
0:36
Play next
Play now
A Team of Mathematicians and Scientists at Numberphile!?
- Duration: 36 seconds.
Numberphile2
37,595 views
2 years ago
0:49
Play next
Play now
Monty Hall Problem Express Explanation
- Duration: 49 seconds.
Numberphile2
112,800 views
2 years ago
1:00:43
Play next
Play now
James Simons (full length interview) - Numberphile
- Duration: 1 hour.
Numberphile2
108,312 views
1 year ago
This item has been hidden
Brady's Channels
Computerphile
- Channel
Subscribe
Subscribed
Unsubscribe
Periodic Videos
- Channel
Subscribe
Subscribed
Unsubscribe
Sixty Symbols
- Channel
Subscribe
Subscribed
Unsubscribe
nottinghamscience
- Channel
Subscribe
Subscribed
Unsubscribe
DeepSkyVideos
- Channel
Subscribe
Subscribed
Unsubscribe
PsyFile
- Channel
Subscribe
Subscribed
Unsubscribe
BackstageScience
- Channel
Subscribe
Subscribed
Unsubscribe
FavScientist
- Channel
Subscribe
Subscribed
Unsubscribe
wordsoftheworld
- Channel
Subscribe
Subscribed
Unsubscribe
bibledex
- Channel
Subscribe
Subscribed
Unsubscribe
Related channels
SciShow
- Channel
Subscribe
Subscribed
Unsubscribe
Numberphile2
- Channel
Subscribe
Subscribed
Unsubscribe
standupmaths
- Channel
Subscribe
Subscribed
Unsubscribe
singingbanana
- Channel
Subscribe
Subscribed
Unsubscribe
Loading...
Working...
Sign in
to add this to Watch Later
Add to
Loading playlists...