S2011 E1 • Numberphile Preview

A short preview of some stuff we're filming for the new numberphile channel. Please subscribe. You can also follow us on Twitter and Facebook.

Première diffusion : 31 octobre 2011

S2011 E2 • 11.11.11

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.

Première diffusion : 8 novembre 2011

S2011 E3 • 255 and Pac-Man

Explaining binary to understand why Pac-Man becomes unplayable after 255 levels.

Première diffusion : 17 novembre 2011

S2011 E4 • 16

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.

Première diffusion : 23 novembre 2011

S2011 E5 • 8128 and Perfect Numbers

For many years, 8128 was the largest known perfect number. But what is a perfect number?

Première diffusion : 28 novembre 2011

S2011 E6 • 6174

6174 is also known as Kaprekar's Constant.

Première diffusion : 5 décembre 2011

S2011 E7 • 69!

69 is the largest number that most hand-held calculators can factorialize!

Première diffusion : 8 décembre 2011

S2011 E8 • 220 and 284 (Amicable Numbers)

Why do 220 and 284 get along so well? Dr James Grime introduces us to the world of so-called amicable numbers.

Première diffusion : 19 décembre 2011

S2011 E9 • 15 bumfit

Numbers can be interesting when studied in different languages and dialects - such as in Lincolnshire where we have dik, figgit and bumfit.

Première diffusion : 22 décembre 2011