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Numberphile

Numberphile

@numberphile•4.7M subscribers•711.9M total views
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Videos about numbers and mathematics. Videos by Brady Haran since 2011. Our thanks to Jane Street and our Patreon supporters.

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Top videos

Something special about 399 (and 2015) - Numberphile
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297.6K views
Something special about 399 (and 2015) - Numberphile
Numberphile
Jan 15, 2015
Sunflowers and Fibonacci - Numberphile
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193.6K views
Sunflowers and Fibonacci - Numberphile
Numberphile
Apr 10, 2012
How to always win at Dots and Boxes - Numberphile
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2.2M views
How to always win at Dots and Boxes - Numberphile
Numberphile
Jan 12, 2015
Sum of Natural Numbers (second proof and extra footage)
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1.8M views
Sum of Natural Numbers (second proof and extra footage)
Numberphile
Jan 11, 2015
Perfect Numbers and Mersenne Primes - Numberphile
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400.7K views
Perfect Numbers and Mersenne Primes - Numberphile
Numberphile
Jan 06, 2015
The Clever Way to Count Tanks - Numberphile
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2.2M views
The Clever Way to Count Tanks - Numberphile
Numberphile
Jul 31, 2024
3 is everywhere - Numberphile
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2.9M views
3 is everywhere - Numberphile
Numberphile
Apr 01, 2012
Perfect Number Proof - Numberphile
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690.9K views
Perfect Number Proof - Numberphile
Numberphile
Jan 06, 2015
Wrong Turn on the Dragon - Numberphile
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430.1K views
Wrong Turn on the Dragon - Numberphile
Numberphile
Dec 30, 2014
Euclid's Big Problem - Numberphile
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1.7M views
Euclid's Big Problem - Numberphile
Numberphile
Dec 12, 2014
Pi-oneers (interview with Sinha & Saha) - Numberphile
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122.1K views
Pi-oneers (interview with Sinha & Saha) - Numberphile
Numberphile
Jul 22, 2024
The Lazy Way to Cut Pizza - Numberphile
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303.7K views
The Lazy Way to Cut Pizza - Numberphile
Numberphile
Aug 12, 2024

Popular videos

Meet James Grime - Numberphile Live
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— views
Meet James Grime - Numberphile Live
Numberphile
Feb 14, 2013
The Scientific Way to Cut a Cake - Numberphile
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17.2M views
The Scientific Way to Cut a Cake - Numberphile
Numberphile
Jun 17, 2014
6174 - Numberphile
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12.2M views
6174 - Numberphile
Numberphile
Dec 05, 2011
Elliptical Pool Table - Numberphile
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11M views
Elliptical Pool Table - Numberphile
Numberphile
Jul 16, 2015
ASTOUNDING: 1 + 2 + 3 + 4 + 5 + ... = -1/12
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9.6M views
ASTOUNDING: 1 + 2 + 3 + 4 + 5 + ... = -1/12
Numberphile
Jan 09, 2014
The World's Best Mathematician (*) - Numberphile
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7.7M views
The World's Best Mathematician (*) - Numberphile
Numberphile
Mar 14, 2017
Infinity is bigger than you think - Numberphile
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7.6M views
Infinity is bigger than you think - Numberphile
Numberphile
Jul 06, 2012
The Josephus Problem - Numberphile
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6.9M views
The Josephus Problem - Numberphile
Numberphile
Oct 28, 2016
What is a lucky number? - Numberphile
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6.7M views
What is a lucky number? - Numberphile
Numberphile
May 15, 2012
158,962,555,217,826,360,000 (Enigma Machine) - Numberphile
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6.5M views
158,962,555,217,826,360,000 (Enigma Machine) - Numberphile
Numberphile
Jan 10, 2013
The problem in Good Will Hunting - Numberphile
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6.5M views
The problem in Good Will Hunting - Numberphile
Numberphile
Mar 04, 2013
Riemann Hypothesis - Numberphile
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5.9M views
Riemann Hypothesis - Numberphile
Numberphile
Mar 11, 2014

Recent uploads

100000001 is divisible by 17 - Numberphile
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193.1K views
100000001 is divisible by 17 - Numberphile
Numberphile
Dec 09, 2025
Closer Look at the Birthday Paradox - Numberphile
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237.6K views
Closer Look at the Birthday Paradox - Numberphile
Numberphile
Dec 06, 2025
Polyominoes on Chessboards - Numberphile
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57.8K views
Polyominoes on Chessboards - Numberphile
Numberphile
Dec 01, 2025
The Graph Reconstruction Conjecture - Numberphile
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108K views
The Graph Reconstruction Conjecture - Numberphile
Numberphile
Nov 27, 2025
Return of the Calculator Unboxing - Numberphile
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69.8K views
Return of the Calculator Unboxing - Numberphile
Numberphile
Nov 19, 2025
The Real Story of Calculus - Numberphile
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189.4K views
The Real Story of Calculus - Numberphile
Numberphile
Nov 10, 2025
Schur Numbers (the world's biggest proof) - Numberphile
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151.9K views
Schur Numbers (the world's biggest proof) - Numberphile
Numberphile
Nov 03, 2025
Ordinal Numbers - Numberphile
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106.8K views
Ordinal Numbers - Numberphile
Numberphile
Oct 22, 2025
The Anti-Knight Killer Sudoku - Numberphile
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149.4K views
The Anti-Knight Killer Sudoku - Numberphile
Numberphile
Oct 15, 2025
The Secret of the Raffle Function (epic proof) - Numberphile
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91.7K views
The Secret of the Raffle Function (epic proof) - Numberphile
Numberphile
Oct 02, 2025
2016502858579884466176 - Numberphile
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122.4K views
2016502858579884466176 - Numberphile
Numberphile
Sep 24, 2025
Lord of the Commutative Rings - Numberphile
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90.8K views
Lord of the Commutative Rings - Numberphile
Numberphile
Sep 10, 2025

Underrated gems

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All videos

The Lazy Way to Cut Pizza - Numberphile
★—(0)
303.7K views
The Lazy Way to Cut Pizza - Numberphile
Numberphile
Aug 12, 2024
The Clever Way to Count Tanks - Numberphile
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2.2M views
The Clever Way to Count Tanks - Numberphile
Numberphile
Jul 31, 2024
Pi-oneers (interview with Sinha & Saha) - Numberphile
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122.1K views
Pi-oneers (interview with Sinha & Saha) - Numberphile
Numberphile
Jul 22, 2024
New Recipe for Pi - Numberphile
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466.4K views
New Recipe for Pi - Numberphile
Numberphile
Jul 19, 2024
The Freshman's Dream (a classic mistake) - Numberphile
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190.1K views
The Freshman's Dream (a classic mistake) - Numberphile
Numberphile
Jul 16, 2024
The Big X and Multiplication - Numberphile
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156K views
The Big X and Multiplication - Numberphile
Numberphile
Jul 04, 2024
Winnie the Math Whiz (with Danica McKellar) - Numberphile
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131.8K views
Winnie the Math Whiz (with Danica McKellar) - Numberphile
Numberphile
Jul 02, 2024
Erdős–Woods Numbers - Numberphile
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190.3K views
Erdős–Woods Numbers - Numberphile
Numberphile
Jun 30, 2024
Solving Seven - Numberphile
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240.7K views
Solving Seven - Numberphile
Numberphile
Jun 25, 2024
Tree-house Numbers - Numberphile
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251.4K views
Tree-house Numbers - Numberphile
Numberphile
Jun 19, 2024
Caboose Numbers - Numberphile
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237.8K views
Caboose Numbers - Numberphile
Numberphile
Jun 18, 2024
Pokémon and Geometric Distributions - Numberphile
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178.8K views
Pokémon and Geometric Distributions - Numberphile
Numberphile
Jun 13, 2024
The Parker Paper (a lost treasure) - Numberphile
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144K views
The Parker Paper (a lost treasure) - Numberphile
Numberphile
Jun 07, 2024
Cones are MESSED UP - Numberphile
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516.4K views
Cones are MESSED UP - Numberphile
Numberphile
May 28, 2024
343867 and Tetrahedral Numbers - Numberphile
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182.4K views
343867 and Tetrahedral Numbers - Numberphile
Numberphile
May 21, 2024
An amazing thing about 276 - Numberphile
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618.3K views
An amazing thing about 276 - Numberphile
Numberphile
May 01, 2024
The Hydra Game - Numberphile
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482.5K views
The Hydra Game - Numberphile
Numberphile
Apr 18, 2024
Interesting 666-digit Numbers - Numberphile
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99.7K views
Interesting 666-digit Numbers - Numberphile
Numberphile
Apr 08, 2024
Goliath & Leviathan Numbers - Numberphile
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120.8K views
Goliath & Leviathan Numbers - Numberphile
Numberphile
Apr 07, 2024
Apocalyptic Numbers - Numberphile
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131.8K views
Apocalyptic Numbers - Numberphile
Numberphile
Apr 06, 2024
Magic Chess Tours (with Knights and Kings) - Numberphile
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118.2K views
Magic Chess Tours (with Knights and Kings) - Numberphile
Numberphile
Apr 01, 2024
Absolute Infinity - Numberphile
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573.1K views
Absolute Infinity - Numberphile
Numberphile
Mar 19, 2024
A Bizarre Sudoku Set-Up - Numberphile
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96.1K views
A Bizarre Sudoku Set-Up - Numberphile
Numberphile
Mar 17, 2024
What are these symbols? - Numberphile
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259.7K views
What are these symbols? - Numberphile
Numberphile
Mar 07, 2024
The Mystery of Hyperbolicity - Numberphile
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251.9K views
The Mystery of Hyperbolicity - Numberphile
Numberphile
Feb 21, 2024
Does -1/12 Protect Us From Infinity? - Numberphile
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715.7K views
Does -1/12 Protect Us From Infinity? - Numberphile
Numberphile
Feb 16, 2024
The Return of -1/12 - Numberphile
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627.4K views
The Return of -1/12 - Numberphile
Numberphile
Feb 15, 2024
The Game of Risk - Numberphile
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1.2M views
The Game of Risk - Numberphile
Numberphile
Feb 06, 2024
The Z Factor - Numberphile
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124.2K views
The Z Factor - Numberphile
Numberphile
Feb 01, 2024
Catalan Numbers - Numberphile
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367.2K views
Catalan Numbers - Numberphile
Numberphile
Jan 29, 2024
The Most Mathematical Sudoku - Numberphile
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270K views
The Most Mathematical Sudoku - Numberphile
Numberphile
Jan 09, 2024
A Sudoku Secret to Blow Your Mind - Numberphile
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3.2M views
A Sudoku Secret to Blow Your Mind - Numberphile
Numberphile
Jan 04, 2024
Signing Primes
Short
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109.4K views
Signing Primes
Numberphile
Jan 02, 2024
Infinite Circles - Numberphile
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220.8K views
Infinite Circles - Numberphile
Numberphile
Dec 19, 2023
Egyptian Fractions and the Greedy Algorithm - Numberphile
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183.5K views
Egyptian Fractions and the Greedy Algorithm - Numberphile
Numberphile
Dec 12, 2023
244,432,188,000 games of Catan - Numberphile
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807.7K views
244,432,188,000 games of Catan - Numberphile
Numberphile
Dec 05, 2023
What are these strange dice? (Part 2) - Numberphile
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94.5K views
What are these strange dice? (Part 2) - Numberphile
Numberphile
Nov 28, 2023
What are these strange dice? - Numberphile
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150.8K views
What are these strange dice? - Numberphile
Numberphile
Nov 27, 2023
The Beautiful Math of Snakes and Ladders - Numberphile
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224.6K views
The Beautiful Math of Snakes and Ladders - Numberphile
Numberphile
Nov 01, 2023
23% Beyond the Riemann Hypothesis - Numberphile
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508.8K views
23% Beyond the Riemann Hypothesis - Numberphile
Numberphile
Oct 29, 2023
What's special about 288? - Numberphile
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260K views
What's special about 288? - Numberphile
Numberphile
Oct 24, 2023
Faulhaber's Fabulous Formula (and Bernoulli Numbers) - Numberphile
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156.8K views
Faulhaber's Fabulous Formula (and Bernoulli Numbers) - Numberphile
Numberphile
Oct 17, 2023
Pi is Evil - Numberphile
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334.6K views
Pi is Evil - Numberphile
Numberphile
Oct 05, 2023
The Langlands Program - Numberphile
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728.5K views
The Langlands Program - Numberphile
Numberphile
Sep 28, 2023
Travelling to the Stars by Ladder - Numberphile
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151.5K views
Travelling to the Stars by Ladder - Numberphile
Numberphile
Sep 17, 2023
Error Correcting Curves - Numberphile
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253.4K views
Error Correcting Curves - Numberphile
Numberphile
Sep 01, 2023
Sleeping Beauty Paradox - Numberphile
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341.6K views
Sleeping Beauty Paradox - Numberphile
Numberphile
Aug 17, 2023
Winning the Fields Medal (with James Maynard) - Numberphile
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705.2K views
Winning the Fields Medal (with James Maynard) - Numberphile
Numberphile
Aug 02, 2023
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