Four is the only number in the English language which as as many letters as its value.\r<br>\r<br>Leave your findings below and please do comment (constructively!) on the findings of others.\r<br>\r<br>Here is the python code I used to track which binary sequences ended in 13 and 18:\r<br>\r<br>\r<br>145 and the Melancoil - Numberphile\r<br>\r<br>\r<br>Geometry of Footballs and the Cube-shaped Ball \r<br>\r<br>\r<br>Music by Howard Carter\r<br>Design by Simon Wright\r<br>\r<br>MATT PARKER: Stand-up Mathematician\r<br>Website: \r<br>Maths book: \r<br>Nerdy maths toys:
