Numberphile

  • Premiered: Nov 2011
  • Episodes: 789
  • Followers: 2
  • Running
  • YouTube
  • at 13
  • Documentary

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Season 2025
2025x1
The Frobenius Problem (and numerical semigroups)
Episode overview
Air date
Jan 10, 2025
Featuring Professor David Eisenbud discussing numerical semigroups. Also discussing Sylvester's Theorem, prime numbers and the Frobenius Number Problem.
2025x2
The Snakey Hexomino (unsolved Tic-Tac-Toe problem)
Episode overview
Air date
Jan 20, 2025
Sophie Maclean explains Animal Tic-Tac-Toe - and why the Snakey hexomino is the only "unsolved" creature.
2025x3
The Slightly Bungled Mersenne Prime Origin Story
Episode overview
Air date
Jan 26, 2025
Brady Haran is at the Royal Society looking at the book which resulted in the name "Mersenne Primes".
2025x4
Shakespeare, Numbers, and Chronograms
Episode overview
Air date
Feb 05, 2025
Rob Eastaway looks at numbers, quirks, and codes (plus some conspiracy theories) in William Shakespeare's First Folio. Including some interesting historical stuff about the use of .. show full overview
2025x5
A Magic Square Breakthrough
Episode overview
Air date
Feb 09, 2025
Matt Parker is back with Multi-Magic Squares and news of a mathematical breakthrough.
2025x6
A 1.58-Dimensional Object
Episode overview
Air date
Mar 07, 2025
Featuring Ben Sparks on all sorts of fractals, Sierpiński triangles, and other amazing stuff including imaginary cubes...
2025x7
The Hyper Moser (and other Mega Numbers)
Episode overview
Air date
Mar 14, 2025
Tony Padilla explores the Mega and Moser.
2025x8
The World's LONGEST Klein Bottle
Episode overview
Air date
Apr 11, 2025
Cliff Stoll and Lucas Clarke stretch a Klein Bottle to record lengths.
2025x9
The Tea Lady Experiment
Episode overview
Air date
Apr 15, 2025
Po-Ling Loh discusses hypothesis testing and a famous experiment involving cups of tea.
2025x10
Cardioids in Coffee Cups
Episode overview
Air date
Apr 20, 2025
Featuring Ben Sparks...
2025x11
A Problem with Infinite Hotel Keys
Episode overview
Air date
May 16, 2025
Tom Crawford poses a problem and finds an answer
2025x12
A simple equation that behaves weirdly
Episode overview
Air date
Jun 17, 2025
Michael Magee explores a seemingly simple equation with hidden depths... And delves into Vieta jumping (or root flipping)
2025x13
The 9-sided Enneahedron
Episode overview
Air date
Jun 22, 2025
Christian Lawson-Perfect on creating the Herschel Enneahedron.
2025x14
The Stein Paradox
Episode overview
Air date
Jul 02, 2025
Professor Chris Oates discusses one of the most puzzling paradoxes in statistics.
2025x15
The Big Daddy of Infinite Integrals
Episode overview
Air date
Jul 09, 2025
Tom Crawford explores the Gaussian Integral.
2025x16
The Mind-Blowing Base 13 Function
Episode overview
Air date
Jul 22, 2025
John Conway's amazing Base 13 Function, demonstrated by Asaf Karagila.
2025x17
Treasure Trove (Zeeman Medal Lecture by Brady Haran)
Episode overview
Air date
Jul 27, 2025
Brady Haran's lecture at the Royal Society upon receiving the Zeeman Medal...
2025x18
The Holey Monster (with 934 faces)
Episode overview
Air date
Jul 31, 2025
Richard Elwes explores the world of polyhedra and toroids, including the legendary Holey Monster.
2025x19
Immense Subcubic Graphic Numbers
Episode overview
Air date
Aug 21, 2025
Featuring Richard Elwes.
2025x20
Lord of the Commutative Rings
Episode overview
Air date
Sep 10, 2025
Is there one ring to rule them all? Kevin Tucker goes deep into the world of mathematical rings, among other things.
2025x21
The Joy of Harshad Numbers
Episode overview
Air date
Sep 24, 2025
Harshad Numbers are also known as Niven Numbers.
2025x22
The Secret of the Raffle Function (epic proof)
Episode overview
Air date
Oct 02, 2025
Zvezdelina Stankova discusses the raffle function - and her epic proof ends with an interesting connection.
2025x23
The Anti-Knight Killer Sudoku
Episode overview
Air date
Oct 15, 2025
A "killer sudoku" with a stroke of genius...
2025x24
Ordinal Numbers
Episode overview
Air date
Oct 22, 2025
Asaf Karagila discusses ordinal numbers.
2025x25
Schur Numbers (the world's biggest proof)
Episode overview
Air date
Nov 03, 2025
Featuring Sophie Maclean
2025x26
The Real Story of Calculus
Episode overview
Air date
Nov 10, 2025
This video features Swagat Saurav Mishr discussing the research of Professor P.P.Divakaran, and the very early history of calculus in India.
2025x27
Return of the Calculator Unboxing
Episode overview
Air date
Nov 19, 2025
This episode has no summary.
2025x28
The Graph Reconstruction Conjecture
Episode overview
Air date
Nov 27, 2025
This episode has no summary.
2025x29
Polyominoes on Chessboards
Episode overview
Air date
Dec 01, 2025
Sophie is back with more Polyominoes.

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