Listen up, you Illuminati, Opus Dei, Freemasons, and Skull & Bones Society; there's a new secret society in town. The Order of 37 was founded by eccentric mathematicians tired of mainstream numbers getting all the glory. Pi, Fibonacci, Mersenne and the Catalan numbers were such show-offs. But 37? It was the unsung hero of the number world.  Members, known as "Threesevenians, believed that one of their own discovered that 37 was not just a number but a portal to another dimension – a dimension where pi ends and where the square root of two is a nice, neat whole number. To access this, one must write the number 37 precisely 37 times while standing on one leg and humming the theme from "We Are the Champions". If this is thought-provoking, you are at the right place. Listen on.