by John on (#6ZBKW)
The following prime number looks like a black-and-white image of an American flag. The number mostly consists of the digits 1, 3, and 8, but there are a few 9's. The following image colors the 8's blue, the 3's red, and the 1's white. The background is gray so you can see the 1s. I [...]The post American Flag Prime first appeared on John D. Cook.