Numberphile

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

Dealing Cards with Cryptography

Mar 21

Mar 21 Dealing Cards with Cryptography

Ron Rivest, Cryptography

Mar 15

Mar 15 Number Sticks

Conway Checkers

Feb 22

Feb 22 Conway Checkers

Zvezdelina Stankova, John Conway

Round Peg in a Square Hole

Feb 21

Feb 21 Round Peg in a Square Hole

Tadashi Tokieda

Catalan Conjecture

Feb 12

Feb 12 Catalan Conjecture

Super Permutations

Jan 29

Jan 29 Super Permutations

Orchard Problems

Jan 25

Jan 25 Orchard Problems

Cannons and Sparrows

Jan 22

Jan 22 Cannons and Sparrows

Günter Ziegler

Car Crash Calculations

Jan 16

Jan 16 Car Crash Calculations

Square-Sum Problem

Jan 10

Jan 10 Square-Sum Problem

River Crossings

Jan 5

Jan 5 River Crossings

Annie Raymond, Graphs

Ham Sandwich Problem

Dec 15

Dec 15 Ham Sandwich Problem

Don Bradman's Duck

Dec 7

Dec 7 Don Bradman's Duck

Astonishing Old Calculator

Nov 25

Nov 25 Astonishing Old Calculator

Cliff Stoll, Calculators

Japanese Paper Balloon

Nov 17

Nov 17 Japanese Paper Balloon

Tadashi Tokieda

Nov 12

Nov 12 Proth Primes

Prime Numbers, James Grime

The Ideal Auction

Nov 1

Nov 1 The Ideal Auction

Pancake Numbers

Oct 27

Oct 27 Pancake Numbers