The Useless Number - Numberphile Published 2015-02-25 Download video MP4 360p Recommendations 12:25 Fantastic Quaternions - Numberphile 07:10 The 'Everything' Formula - Numberphile 09:48 Fibonacci Mystery - Numberphile 16:29 A proof that e is irrational - Numberphile 11:26 Do Complex Numbers Exist? 05:43 The Most Evil Number (Belphegor's Prime) - Numberphile 13:42 The beauty of complex numbers 10:42 e (Euler's Number) - Numberphile 08:09 Untouchable Numbers - Numberphile 13:59 Imaginary Numbers are Not "Imaginary"! In 5 Levels of Complexity 12:59 The Boundary of Computation 16:58 All possible pythagorean triples, visualized 12:13 63 and -7/4 are special - Numberphile 06:30 Chern Medal: Barry Mazur 12:32 How they found the World's Biggest Prime Number - Numberphile 13:41 Transcendental Numbers - Numberphile 18:20 Gabriel's Horn Paradox - Numberphile 09:02 Imaginary Numbers Are Just Regular Numbers 36:51 Why are there no 3 dimensional "complex numbers"? 23:29 How Imaginary Numbers Were Invented Similar videos 16:38 A number NOBODY has thought of - Numberphile 07:45 Why 82,000 is an extraordinary number - Numberphile 07:09 Liar Numbers - Numberphile 41:44 Numberphile v. Math: the truth about 1+2+3+...=-1/12 07:50 ASTOUNDING: 1 + 2 + 3 + 4 + 5 + ... = -1/12 14:24 What's special about 277777788888899? - Numberphile 16:40 A Surprising Pi and 5 - Numberphile 09:18 Why do people hate mathematics? 05:22 Lucas Numbers - Numberphile 13:48 Squaring Primes - Numberphile 02:08 Elegant Confusion and Imaginary Numbers (extra footage) - Numberphile 11:00 The Problems with Secret Santa - Numberphile 14:06 Surreal Numbers (writing the first book) - Numberphile 05:34 WARNING: Contains Numbers 12:11 How many chess games are possible? - Numberphile 16:21 The Silver Ratio - Numberphile 09:03 Weber's Law - Numberphile More results