To celebrate Pi Day, we asked several mathematicians to tell us their favorite non-pi numbers. Here are some of their answers. When you purchase through links on our site, we may earn an affiliate ...

In Daniel Tammet’s mind, three is a dotted green crescent moon shape, one is a sort of white sunburst and four is a blue boomerang. Every number has a distinct color and shape, making the number pi, ...

It's the occasion to celebrate the mathematical enigma of Pi. It's World Pi Day today, an occasion to celebrate the "irrational and transcendental number", have conversations about math or just ...