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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

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All videos

100000001 is divisible by 17 - Numberphile
★—(0)
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
★—(0)
108K views
The Graph Reconstruction Conjecture - Numberphile
Numberphile
Nov 27, 2025
Return of the Calculator Unboxing - Numberphile
★—(0)
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
Immense Subcubic Graph Numbers - Numberphile
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101.7K views
Immense Subcubic Graph Numbers - Numberphile
Numberphile
Aug 21, 2025
The Holey Monster (with 934 faces) - Numberphile
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130.8K views
The Holey Monster (with 934 faces) - Numberphile
Numberphile
Jul 31, 2025
Treasure Trove (Zeeman Medal Lecture by Brady Haran) - Numberphile
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75.9K views
Treasure Trove (Zeeman Medal Lecture by Brady Haran) - Numberphile
Numberphile
Jul 27, 2025
Conway's Base 13 Function - Numberphile
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210.5K views
Conway's Base 13 Function - Numberphile
Numberphile
Jul 22, 2025
The Big Daddy of Infinite Integrals - Numberphile
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229.3K views
The Big Daddy of Infinite Integrals - Numberphile
Numberphile
Jul 09, 2025
The Stein Paradox - Numberphile
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285.7K views
The Stein Paradox - Numberphile
Numberphile
Jul 02, 2025
The 9-sided Enneahedron - Numberphile
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130K views
The 9-sided Enneahedron - Numberphile
Numberphile
Jun 22, 2025
A simple equation that behaves weirdly - Numberphile
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393.4K views
A simple equation that behaves weirdly - Numberphile
Numberphile
Jun 17, 2025
A Problem with Infinite Hotel Keys - Numberphile
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235K views
A Problem with Infinite Hotel Keys - Numberphile
Numberphile
May 16, 2025
Cardioids in Coffee Cups - Numberphile
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163.2K views
Cardioids in Coffee Cups - Numberphile
Numberphile
Apr 20, 2025
The Tea Lady Experiment - Numberphile
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223.1K views
The Tea Lady Experiment - Numberphile
Numberphile
Apr 15, 2025
The World's LONGEST Klein Bottle - Numberphile
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90.7K views
The World's LONGEST Klein Bottle - Numberphile
Numberphile
Apr 11, 2025
The Hyper Moser (and other Mega Numbers) - Numberphile
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380K views
The Hyper Moser (and other Mega Numbers) - Numberphile
Numberphile
Mar 14, 2025
A 1.58-Dimensional Object - Numberphile
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620.3K views
A 1.58-Dimensional Object - Numberphile
Numberphile
Mar 07, 2025
A Magic Square Breakthrough - Numberphile
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352.7K views
A Magic Square Breakthrough - Numberphile
Numberphile
Feb 09, 2025
Shakespeare, Numbers, and Chronograms - Numberphile
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82K views
Shakespeare, Numbers, and Chronograms - Numberphile
Numberphile
Feb 05, 2025
The Slightly Bungled Mersenne Prime Origin Story - Numberphile
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82.2K views
The Slightly Bungled Mersenne Prime Origin Story - Numberphile
Numberphile
Jan 26, 2025
The Snakey Hexomino (unsolved Tic-Tac-Toe problem) - Numberphile
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111.9K views
The Snakey Hexomino (unsolved Tic-Tac-Toe problem) - Numberphile
Numberphile
Jan 20, 2025
The Frobenius Problem (and numerical semigroups) - Numberphile
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164.3K views
The Frobenius Problem (and numerical semigroups) - Numberphile
Numberphile
Jan 10, 2025
Pentominoes and other Polyominoes - Numberphile
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155.5K views
Pentominoes and other Polyominoes - Numberphile
Numberphile
Dec 23, 2024
The Anti-Parker Square - Numberphile
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140.2K views
The Anti-Parker Square - Numberphile
Numberphile
Dec 17, 2024
A Number to the Power of a Matrix - Numberphile
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237.8K views
A Number to the Power of a Matrix - Numberphile
Numberphile
Dec 12, 2024
Meeting Ernő Rubik - Numberphile
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146K views
Meeting Ernő Rubik - Numberphile
Numberphile
Dec 05, 2024
A Fascination with Fractured Friezes - Numberphile
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79.7K views
A Fascination with Fractured Friezes - Numberphile
Numberphile
Dec 03, 2024
Way Bigger Than Graham's Number (Goodstein Sequence) - Numberphile
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306.5K views
Way Bigger Than Graham's Number (Goodstein Sequence) - Numberphile
Numberphile
Nov 26, 2024
Knot Surfaces - Numberphile
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90.7K views
Knot Surfaces - Numberphile
Numberphile
Nov 15, 2024
The Change from Roman Numerals - Numberphile
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304.6K views
The Change from Roman Numerals - Numberphile
Numberphile
Nov 07, 2024
The Magic of Induction - Numberphile
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194.8K views
The Magic of Induction - Numberphile
Numberphile
Nov 02, 2024
Voting Paradoxes - Numberphile
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147.5K views
Voting Paradoxes - Numberphile
Numberphile
Oct 28, 2024
Planet Pi - Numberphile
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145.3K views
Planet Pi - Numberphile
Numberphile
Oct 25, 2024
The Man Who Found the World's Biggest Prime - Numberphile
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204.8K views
The Man Who Found the World's Biggest Prime - Numberphile
Numberphile
Oct 22, 2024
An Odd Property of the Sierpiński Triangle - Numberphile
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146.3K views
An Odd Property of the Sierpiński Triangle - Numberphile
Numberphile
Oct 20, 2024
The Prime Constant - Numberphile
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321.8K views
The Prime Constant - Numberphile
Numberphile
Oct 06, 2024
A Fascinating Frog Problem - Numberphile
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447.4K views
A Fascinating Frog Problem - Numberphile
Numberphile
Sep 30, 2024
Absolute Primes - Numberphile
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205.4K views
Absolute Primes - Numberphile
Numberphile
Sep 22, 2024
Goldbach Conjecture (but with TWIN PRIMES) - Numberphile
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151.4K views
Goldbach Conjecture (but with TWIN PRIMES) - Numberphile
Numberphile
Sep 14, 2024
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