What colour is 27?

More on number/color synesthesia, including your questions for with Alex Dainis.

Supported by: http://www.squarespace.com/ (numberphile5 for discount)

Blog with graphs: http://bit.ly/11yaWb8

Original video at: http://www.youtube.com/watch?v=dNy23tJMTzQ

Alex's channel is: http://www.youtube.com/user/Lexie527

Huge thanks to Dave Wiley!