Skip navigation
CA
Upload
Sign in
Search
Numberphile
Videos
Playlists
Channels
Discussion
About
Home
Trending
Best of YouTube
Music
Sports
Gaming
Movies
TV Shows
News
Live
Spotlight
360° Video
Browse channels
Sign in now to see your channels and recommendations!
Sign in
YouTube Red
Watch Queue
Queue
Watch Queue
Queue
Remove all
Disconnect
Loading...
Watch Queue
Queue
__count__/__total__
Numberphile website
Numberphile
Subscribe
Subscribed
Unsubscribe
1,592,834
Loading...
Loading...
Working...
Home
Videos
Playlists
Channels
Discussion
About
Mile of Pi - Numberphile
1,172,759 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
5:44
Play next
Play now
Crank Files - Numberphile
- Duration: 5 minutes, 44 seconds.
98,295 views
2 days ago
8:38
Play next
Play now
Are you REALLY sick? (false positives) - Numberphile
- Duration: 8 minutes, 38 seconds.
176,700 views
4 days ago
26:19
Play next
Play now
Perfect Shapes in Higher Dimensions - Numberphile
- Duration: 26 minutes.
403,818 views
1 week ago
13:20
Play next
Play now
Shuffling Card Trick - Numberphile
- Duration: 13 minutes.
178,992 views
1 month ago
8:33
Play next
Play now
The Millionaire Machine - Numberphile
- Duration: 8 minutes, 33 seconds.
360,820 views
1 month ago
9:34
Play next
Play now
Calculator Unboxing #6 (Staples collection) - Numberphile
- Duration: 9 minutes, 34 seconds.
190,034 views
1 month ago
12:53
Play next
Play now
Strange Spinning Tubes - Numberphile
- Duration: 12 minutes.
183,443 views
1 month ago
CC
10:38
Play next
Play now
The Mathematics of Crime and Terrorism - Numberphile
- Duration: 10 minutes.
289,640 views
1 month ago
CC
10:00
Play next
Play now
Triangles have a Magic Highway - Numberphile
- Duration: 10 minutes.
203,062 views
2 months ago
CC
12:32
Play next
Play now
How they found the World's Biggest Prime Number - Numberphile
- Duration: 12 minutes.
383,817 views
2 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.
346,190 views
2 months ago
12:25
Play next
Play now
Fantastic Quaternions - Numberphile
- Duration: 12 minutes.
258,971 views
2 months ago
CC
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.
11,805,881 views
1 year ago
CC
8:00
Play next
Play now
Infinity is bigger than you think - Numberphile
- Duration: 8 minutes.
4,483,095 views
3 years ago
CC
7:50
Play next
Play now
ASTOUNDING: 1 + 2 + 3 + 4 + 5 + ... = -1/12
- Duration: 7 minutes, 50 seconds.
3,955,822 views
2 years ago
CC
7:01
Play next
Play now
Googol and Googolplex - Numberphile
- Duration: 7 minutes, 1 second.
2,296,384 views
4 years ago
CC
13:00
Play next
Play now
Problems with Zero - Numberphile
- Duration: 13 minutes.
2,270,382 views
3 years ago
CC
11:06
Play next
Play now
666 - Numberphile
- Duration: 11 minutes.
2,249,630 views
3 years ago
CC
7:30
Play next
Play now
Did Usain Bolt REALLY run 100m in 9.63 seconds?
- Duration: 7 minutes, 30 seconds.
2,190,810 views
3 years ago
CC
11:52
Play next
Play now
158,962,555,217,826,360,000 (Enigma Machine) - Numberphile
- Duration: 11 minutes.
2,139,785 views
3 years ago
CC
11:10
Play next
Play now
One minus one plus one minus one - Numberphile
- Duration: 11 minutes.
2,016,431 views
2 years ago
CC
14:29
Play next
Play now
British Numbers confuse Americans - Numberphile
- Duration: 14 minutes.
1,910,850 views
2 years ago
CC
5:59
Play next
Play now
Illegal Numbers - Numberphile
- Duration: 5 minutes, 59 seconds.
1,891,488 views
2 years ago
CC
12:05
Play next
Play now
Zeno's Paradox - Numberphile
- Duration: 12 minutes.
1,705,623 views
2 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.
by
Numberphile
696,963 views
1 year ago
14:09
Play next
Play now
Perfect Number Proof - Numberphile
- Duration: 14 minutes.
by
Numberphile
235,459 views
1 year ago
CC
5:20
Play next
Play now
All Triangles are Equilateral - Numberphile
- Duration: 5 minutes, 20 seconds.
by
Numberphile
406,046 views
1 year ago
CC
8:37
Play next
Play now
Stable Marriage Problem - Numberphile
- Duration: 8 minutes, 37 seconds.
by
Numberphile
394,335 views
1 year ago
7:22
Play next
Play now
Fix a Wobbly Table (with Math)
- Duration: 7 minutes, 22 seconds.
by
Numberphile
792,008 views
1 year ago
CC
9:11
Play next
Play now
The Mandelbrot Set - Numberphile
- Duration: 9 minutes, 11 seconds.
by
Numberphile
498,491 views
1 year ago
13:01
Play next
Play now
Odd Equations - Numberphile
- Duration: 13 minutes.
by
Numberphile
463,655 views
1 year ago
8:06
Play next
Play now
How many panels on a soccer ball? - Numberphile
- Duration: 8 minutes, 6 seconds.
by
Numberphile
188,970 views
1 year ago
9:04
Play next
Play now
Life, Death and the Monster - Numberphile
- Duration: 9 minutes, 4 seconds.
by
Numberphile
213,338 views
1 year ago
8:57
Play next
Play now
A Mathematical Fable - Numberphile
- Duration: 8 minutes, 57 seconds.
by
Numberphile
358,726 views
1 year ago
12:13
Play next
Play now
63 and -7/4 are special - Numberphile
- Duration: 12 minutes.
by
Numberphile
762,487 views
2 years ago
13:42
Play next
Play now
Pebbling a Chessboard - Numberphile
- Duration: 13 minutes.
by
Numberphile
364,394 views
2 years ago
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.
by
Numberphile
1,172,759 views
1 year ago
CC
3:14
Play next
Play now
Calculating Pi with Real Pies - Numberphile
- Duration: 3 minutes, 14 seconds.
by
Numberphile
610,964 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.
by
Numberphile
1,345,700 views
3 years ago
CC
8:24
Play next
Play now
Pi is Beautiful - Numberphile
- Duration: 8 minutes, 24 seconds.
by
Numberphile
1,081,390 views
2 years ago
6:28
Play next
Play now
Sounds of Pi - Numberphile
- Duration: 6 minutes, 28 seconds.
by
Numberphile
472,211 views
4 years ago
CC
6:28
Play next
Play now
Pi and Buffon's Matches - Numberphile
- Duration: 6 minutes, 28 seconds.
by
Numberphile
413,289 views
4 years ago
CC
13:14
Play next
Play now
Pi and Bouncing Balls - Numberphile
- Duration: 13 minutes.
by
Numberphile
478,848 views
4 years ago
CC
9:42
Play next
Play now
Pi - Numberphile
- Duration: 9 minutes, 42 seconds.
by
Numberphile
563,170 views
4 years ago
CC
7:56
Play next
Play now
Pi and the Mandelbrot Set - Numberphile
- Duration: 7 minutes, 56 seconds.
by
Numberphile
251,823 views
6 months ago
CC
5:34
Play next
Play now
Pi and the size of the Universe - Numberphile
- Duration: 5 minutes, 34 seconds.
by
Numberphile
599,098 views
3 years ago
CC
6:28
Play next
Play now
Pi me a River - Numberphile
- Duration: 6 minutes, 28 seconds.
by
Numberphile
259,788 views
2 years ago
6:28
Play next
Play now
Pi Prog Rock - Numberphile
- Duration: 6 minutes, 28 seconds.
by
Numberphile
207,477 views
2 years ago
View 6 more
This item has been hidden
Prime Numbers
Play all
Our videos featuring prime numbers
8:41
Play next
Play now
Primes are like Weeds (PNT) - Numberphile
- Duration: 8 minutes, 41 seconds.
by
Numberphile
394,180 views
2 years ago
CC
7:06
Play next
Play now
Infinite Primes - Numberphile
- Duration: 7 minutes, 6 seconds.
by
Numberphile
379,514 views
2 years ago
CC
7:20
Play next
Play now
New Largest Known Prime Number - Numberphile
- Duration: 7 minutes, 20 seconds.
by
Numberphile
432,108 views
3 years ago
CC
7:09
Play next
Play now
Liar Numbers - Numberphile
- Duration: 7 minutes, 9 seconds.
by
Numberphile
477,107 views
2 years ago
CC
9:06
Play next
Play now
Prime Spirals - Numberphile
- Duration: 9 minutes, 6 seconds.
by
Numberphile
599,182 views
2 years ago
CC
6:47
Play next
Play now
Sexy Primes - Numberphile
- Duration: 6 minutes, 47 seconds.
by
Numberphile
324,111 views
3 years ago
CC
9:50
Play next
Play now
41 and more Ulam's Spiral - Numberphile
- Duration: 9 minutes, 50 seconds.
by
Numberphile
267,395 views
2 years ago
CC
8:59
Play next
Play now
Gaps between Primes - Numberphile
- Duration: 8 minutes, 59 seconds.
by
Numberphile
413,161 views
2 years ago
CC
6:56
Play next
Play now
Cicada 17 - Numberphile
- Duration: 6 minutes, 56 seconds.
by
Numberphile
173,027 views
2 years ago
CC
5:37
Play next
Play now
Largest Known Prime Number (extra footage) - Numberphile
- Duration: 5 minutes, 37 seconds.
by
Numberphile
26,722 views
3 years ago
5:43
Play next
Play now
How to order 43 Chicken McNuggets - Numberphile
- Duration: 5 minutes, 43 seconds.
by
Numberphile
1,113,405 views
3 years ago
CC
3:43
Play next
Play now
Fool-Proof Test for Primes - Numberphile
- Duration: 3 minutes, 43 seconds.
by
Numberphile
384,177 views
2 years ago
CC
View 12 more
This item has been hidden
Cards and Shuffling
Play all
9:22
Play next
Play now
The Best (and Worst) Ways to Shuffle Cards - Numberphile
- Duration: 9 minutes, 22 seconds.
by
Numberphile
616,629 views
1 year ago
CC
7:08
Play next
Play now
Shuffling Extra Footage (1/3) - Persi Diaconis
- Duration: 7 minutes, 8 seconds.
by
Numberphile2
53,923 views
1 year ago
15:05
Play next
Play now
Shuffling Extra Footage (2/3) - Persi Diaconis
- Duration: 15 minutes.
by
Numberphile2
39,499 views
1 year ago
7:19
Play next
Play now
Shuffling Extra Footage (3/3) - Persi Diaconis
- Duration: 7 minutes, 19 seconds.
by
Numberphile2
33,082 views
1 year ago
9:10
Play next
Play now
Looking at Perfect Shuffles - Numberphile
- Duration: 9 minutes, 10 seconds.
by
Numberphile
140,655 views
1 year ago
12:21
Play next
Play now
Looking at Shuffling (extra footage) - Numberphile
- Duration: 12 minutes.
by
Numberphile2
31,888 views
1 year ago
9:34
Play next
Play now
52-Card Perfect Shuffles - Numberphile
- Duration: 9 minutes, 34 seconds.
by
Numberphile
199,990 views
1 year ago
13:15
Play next
Play now
Beautiful Card Trick - Numberphile
- Duration: 13 minutes.
by
Numberphile
933,126 views
3 years ago
CC
9:38
Play next
Play now
Numbery Card Trick - Numberphile
- Duration: 9 minutes, 38 seconds.
by
Numberphile
358,684 views
3 years ago
CC
6:16
Play next
Play now
Order from Chaos - Numberphile
- Duration: 6 minutes, 16 seconds.
by
Numberphile
256,831 views
1 year ago
13:20
Play next
Play now
Shuffling Card Trick - Numberphile
- Duration: 13 minutes.
by
Numberphile
178,992 views
1 month ago
This item has been hidden
Yahtzee
Play all
Numberphile's collection of Yahtzee videos, including viewer-rolled Yahtzees.
6:28
Play next
Play now
1,296 and Yahtzee - Numberphile
- Duration: 6 minutes, 28 seconds.
by
Numberphile
220,850 views
3 years ago
CC
7:26
Play next
Play now
AMAZING Dice Rolls - Numberphile
- Duration: 7 minutes, 26 seconds.
by
Numberphile
289,765 views
3 years ago
CC
5:52
Play next
Play now
ViHart on Tetrahedral Dice - Numberphile
- Duration: 5 minutes, 52 seconds.
by
Numberphile
306,516 views
3 years ago
CC
3:43
Play next
Play now
Underwater Yahtzee - Numberphile
- Duration: 3 minutes, 43 seconds.
by
Numberphile
102,928 views
3 years ago
CC
4:46
Play next
Play now
Six Dice One-Roll Yahtzee (in super slow motion) - Numberphile
- Duration: 4 minutes, 46 seconds.
by
Numberphile
167,670 views
8 months ago
6:05
Play next
Play now
One-Roll Yahtzee Fever - Numberphile
- Duration: 6 minutes, 5 seconds.
by
Numberphile
114,090 views
3 years ago
CC
2:26
Play next
Play now
More One-Roll Yahtzees - Numberphile
- Duration: 2 minutes, 26 seconds.
by
Numberphile
91,018 views
3 years ago
CC
This item has been hidden
Calculator Unboxings
Play all
For serious?
9:34
Play next
Play now
Calculator Unboxing #6 (Staples collection) - Numberphile
- Duration: 9 minutes, 34 seconds.
by
Numberphile
190,034 views
1 month ago
6:17
Play next
Play now
Calculator Unboxing #5 (Little Professor) - Numberphile
- Duration: 6 minutes, 17 seconds.
by
Numberphile
221,558 views
1 year ago
5:33
Play next
Play now
Calculator Unboxing #4 (Bamboo Calculator) - Numberphile
- Duration: 5 minutes, 33 seconds.
by
Numberphile
242,380 views
1 year ago
7:38
Play next
Play now
Calculator Unboxing #3 (Casio Watch) - Numberphile
- Duration: 7 minutes, 38 seconds.
by
Numberphile
336,034 views
2 years ago
8:18
Play next
Play now
Calculator Unboxing #2 (Casio fx) - Numberphile
- Duration: 8 minutes, 18 seconds.
by
Numberphile
259,271 views
2 years ago
13:50
Play next
Play now
Calculator Unboxing #1 - Numberphile
- Duration: 13 minutes.
by
Numberphile
610,858 views
2 years ago
This item has been hidden
Created playlists
201
videos
Play all
Play now
Liked videos
- Playlist
8
videos
Play all
Play now
Carlo Séquin
- Playlist
6
videos
Play all
Play now
Tadashi Tokieda
- Playlist
10
videos
Play all
Play now
Some Videos
- Playlist
3
videos
Play all
Play now
Hannah Fry
- Playlist
30
videos
Play all
Play now
Festival of Spoken Nerd Cast
- Playlist
4
videos
Play all
Play now
Holly Krieger
- Playlist
6
videos
Play all
Play now
Edward Frenkel
- Playlist
5
videos
Play all
Play now
Chess
- Playlist
4
videos
Play all
Play now
Ron Graham
- Playlist
6
videos
Play all
Play now
Knots
- Playlist
Updated 5 days ago
8
videos
Play all
Play now
Klein Bottles and Stuff
- Playlist
View 22 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.
by
Numberphile2
58,633 views
10 months ago
3:46
Play next
Play now
Complex Numbers are Awesome
- Duration: 3 minutes, 46 seconds.
by
Numberphile2
191,819 views
1 year ago
0:36
Play next
Play now
A Team of Mathematicians and Scientists at Numberphile!?
- Duration: 36 seconds.
by
Numberphile2
34,440 views
1 year ago
0:49
Play next
Play now
Monty Hall Problem Express Explanation
- Duration: 49 seconds.
by
Numberphile2
90,224 views
1 year ago
1:00:43
Play next
Play now
James Simons (full length interview) - Numberphile
- Duration: 1 hour.
by
Numberphile2
91,465 views
10 months 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
standupmaths
- Channel
Subscribe
Subscribed
Unsubscribe
Veritasium
- Channel
Subscribe
Subscribed
Unsubscribe
SciShow
- Channel
Subscribe
Subscribed
Unsubscribe
MinutePhysics
- Channel
Subscribe
Subscribed
Unsubscribe
singingbanana
- Channel
Subscribe
Subscribed
Unsubscribe
Loading...
Working...
Sign in
to add this to Watch Later
Add to
Loading playlists...