Numberphile

Hello there.

This is Numberphile. We mainly post videos about mathematics and just numbers in general.

Something special about 399 (and 2015)

Jan 15

Jan 15 Something special about 399 (and 2015)

Ed Copeland, Number Theory

How to always win at Dots and Boxes

Jan 12

Jan 12 How to always win at Dots and Boxes

Elwyn Berlekamp, Games

Sum of Natural Numbers (second proof and extra footage)

Jan 11

Jan 11 Sum of Natural Numbers (second proof and extra footage)

Ed Copeland, Tony Padilla

Perfect Number Proof

Jan 6

Jan 6 Perfect Number Proof

Matt Parker, Perfect Numbers

Perfect Numbers and Mersenne Primes

Jan 6

Jan 6 Perfect Numbers and Mersenne Primes

Matt Parker, Perfect Numbers, Prime Numbers

Wrong Turn on the Dragon

Dec 30

Dec 30 Wrong Turn on the Dragon

Donald Knuth, Dragon Curve

How to Trisect an Angle with Origami

Dec 12

Dec 12 How to Trisect an Angle with Origami

Zsuzsanna Dancso, Geometry

Euclid's Big Problem

Dec 12

Dec 12 Euclid's Big Problem

Zsuzsanna Dancso, Geometry

Infinite Fractions

Dec 2

Dec 2 Infinite Fractions

Matt Parker, Sequences

Imaginary Erdős Number

Nov 26

Nov 26 Imaginary Erdős Number

Math and Movies (Animation at Pixar)

Nov 11

Nov 11 Math and Movies (Animation at Pixar)

All Triangles are Equilateral

Nov 5

Nov 5 All Triangles are Equilateral

Carlo Séquin, Triangles

Leyland Numbers

Oct 28

Oct 28 Leyland Numbers

The Making of a Mile of Pi

Oct 23

Oct 23 The Making of a Mile of Pi

Pi, Matt Parker

Oct 22

Oct 22 Mile of Pi

Pi, Matt Parker

Oct 1

Oct 1 Lunes

Barry Mazur, Geometry

Sep 22

Sep 22 Brady Numbers

Matt Parker, Golden Ratio

Sep 22

Sep 22 Lucas Numbers

Matt Parker, Golden Ratio