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Numberphile is an educational YouTube channel featuring videos that explore topics from a variety of fields of mathematics. In the early days of the channel, each video focused on a specific number, but the channel has since expanded its scope, featuring videos on more advanced mathematical concepts such as Fermat's Last Theorem and the Riemann hypothesis. The videos are produced by Brady Haran, a former BBC video journalist and creator of Periodic Videos, Sixty Symbols, and several other YouTube channels. Videos on the channel feature several university professors, math communicators, and famous mathematicians.

In 2018, Haran released a spin-off audio podcast titled The Numberphile Podcast.[1]

YouTube channel

The Numberphile YouTube channel was started on September 15, 2011. Most videos consist of Haran interviewing an expert on a number, mathematical theorem, or other mathematical concept. The expert usually draws out their explanation on a large piece of brown paper and attempts to make the concepts understandable to the average, non-mathematician viewer. It is supported by the Mathematical Sciences Research Institute (MSRI) and Math for America.[2][3] Haran also runs the "Numberphile2" channel, which includes extra footage and further detail than the main channel.[4]

The channel was nominated for a Shorty Award in Education in 2016.[5] The New York Times has said, "At Numberphile, mathematicians discourse, enthusiastically and winningly, on numbers".[6]

The channel has featured a wide array of mathematicians, computer scientists, scientists, and science writers, including:[7]

Federico Ardila[8]
Alex Bellos
Elwyn Berlekamp
Andrew Booker
Timothy Browning
Brian Butterworth
John Conway
Ed Copeland
Tom Crawford [9]
Zsuzsanna Dancso[10]
Persi Diaconis
Rob Eastaway
Laurence Eaves
David Eisenbud
Edward Frenkel
Hannah Fry
Lisa Goldberg
James Grime
Ron Graham
Edmund Harriss[11]
Gordon Hamilton[12]
Don Knuth
Holly Krieger
James Maynard
Barry Mazur
Steve Mould
Colm Mulcahy
Tony Padilla[13]
Simon Pampena[14]
Matt Parker
Ken Ribet
Tom Scott
Henry Segerman[15]
Carlo H. Séquin
Jim Simons
Simon Singh
Neil Sloane
Ben Sparks[16]
Katie Steckles[17]
Clifford Stoll
Terence Tao
Tadashi Tokieda
Mariel Vázquez
Cédric Villani[18]
Zandra Vinegar
Zvezdelina Stankova

The Numberphile Podcast
The Numberphile Podcast
Hosted by Brady Haran
Genre Interview
Language English
Length 25–75 minutes
No. of episodes 25 (As of 8 August 2020)[19]
Original release 4 November 2018 – present
Related shows

Hello Internet
The Unmade Podcast


Haran started a podcast titled The Numberphile Podcast in 2018 as a sister project. The podcast more heavily focus on the lives and personalities of some of the subjects of the videos.[20]

No. Title Run Time Original release date
1 "The Hope Diamond (with 3Blue1Brown)" 1:03:20 4 November 2018
2 "Fermat’s Last Theorem (with Ken Ribet)" 48:22 21 November 2018
3 "Delicious Problems (with Hannah Fry)" 52:00 16 December 2018
4 "The Klein Bottle Guy (with Cliff Stoll)" 59:08 8 January 2019
5 "The Math Storyteller (with Simon Singh)" 1:11:36 11 February 2019
6 "Parker Square (with Matt Parker)" 52:04 24 February 2019
7 "A Proof in the Drawer (with David Eisenbud)" 1:15:20 7 April 2019
8 "The Offensive Lineman (with John Urschel)" 36:43 14 May 2019
9 "The Singing Banana (with James Grime)" 1:13:21 20 May 2019
10 "The C-Word (talking Calculus with Steven Strogatz)" 51:17 17 June 2019
11 "The Number Collector (with Neil Sloane)" 55:36 14 August 2019
12 "Fame and Admiration (with Timothy Gowers)" 54:25 22 October 2019
13 "The Badly Behaved Prime (with James Maynard)" 41:38 10 November 2019
14 "Coffin Problems (with Edward Frenkel)" 1:21:39 3 December 2019
15 "Champaign Mathematician (with Holly Krieger)" 40:00 13 December 2019
16 "Gondor Calls for Aid (with Kit Yates)" 28:18 31 March 2020
17 "Crystal Balls and Coronavirus (with Hannah Fry)" 44:55 10 April 2020
18 "The Legendary John Conway (1937-2020)" 38:01 13 April 2020
19 "The Accidental Streamer (with 3Blue1Brown)" 33:05 19 April 2020
20 "The Parker Quiz (with Matt Parker)" 55:34 21 May 2020
21 "The Happy Twin (with Ben Sparks)" 1:02:21 27 May 2020
22 "The Numeracy Ambassador (with Simon Pampena)" 1:00:15 1 July 2020
23 "The Mathematical Showman - Ron Graham (1935-2020)" 39:02 13 July 2020
24 "The Third Cornet (with Katie Steckles)" 59:49 24 July 2020
25 "Why Did the Mathematician Cross the Road? (with Roger Penrose)" 1:05:16 8 August 2020


"The Numberphile Podcast". Brady Haran. Retrieved 2018-12-25.
Numberphile sponsors Mathematical Sciences Research Institute
Numberphile Nominated in Education 8th Annual Shorty Awards
Haran, Brady. "Numberphile2". YouTube. Retrieved 17 October 2019.
The 8th Annual Shorty Award Alexis Joy, January 19, 2016
Genres Stretch, for Better and Worse, as YouTube Takes On TV By Mike Hale, New York Times, April 24, 2012
Guest speakers on Numberphile MSRI
Haran, Brady. "All in Federico Ardila". Numberphile.
Haran, Brady. "Tom Crawford on Numberphile". YouTube.
Haran, Brady. "Zsuzsanna Dancso on Numberphile". YouTube.
Haran, Brady. "All in Edmund Harriss". Numberphile.
Haran, Brady. "Gordon Hamilton on Numberphile". YouTube.
Haran, Brady. "All in Tony Padilla". Numberphile.
Haran, Brady. "Simon Pampena on Numberphile". YouTube.
Haran, Brady. "Henry Segerman on Numberphile". YouTube.
Haran, Brady. "Ben Sparks on Numberphile". YouTube.
Haran, Brady. "Katie Steckles on Numberphile". YouTube.
Haran, Brady. "Cedric Villani on Numberphile". YouTube. Retrieved 2019-11-05.
"Podcast". Numberphile. Retrieved 25 July 2020.
Haran, Brady. "The Numberphile Podcast". Brady Haran. Retrieved 10 September 2019.

Undergraduate Texts in Mathematics

Graduate Texts in Mathematics

Graduate Studies in Mathematics

Mathematics Encyclopedia



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