Nov 8, 2011
Numberphile video about number 11, marking the last binary day of a generation: 11.11.11. Exploring barcodes, check digits and CD technology. Filmed at the home ground of Nottingham Forest Football Club, The City Ground.
Season 1 Episodes
Browse every episode and jump into details.
Nov 17, 2011
Explaining binary to understand why Pac-Man becomes unplayable after 255 levels.
Nov 23, 2011
We discuss the number 16 - a perfect square - and how sitting at table 16 led to something bigger for Matt Parker. In this video is Dr Ria Symonds from the University of Nottingham.
Nov 28, 2011
For many years, 8128 was the largest known perfect number. But what is a perfect number?
Dec 5, 2011
6174 is also known as Kaprekar's Constant.
Dec 8, 2011
69 is the largest number that most hand-held calculators can factorialize!
Dec 19, 2011
Why do 220 and 284 get along so well? Dr James Grime introduces us to the world of so-called amicable numbers.
Dec 22, 2011
Numbers can be interesting when studied in different languages and dialects - such as in Lincolnshire where we have dik, figgit and bumfit.
Season 1 FAQ
Quick answers about this season's release timeline and episode lineup.
When did Numberphile Season 1 premiere?
Numberphile Season 1 premiered on November 8, 2011.
How many episodes are in Numberphile Season 1?
Numberphile Season 1 has 8 episodes.
What is the first episode of Numberphile Season 1?
The season opens with Season 1 Episode 1, "11.11.11". It aired on November 8, 2011.
Go to Season 1 Episode 1