8573

This number is a prime.

Single Curio View: (Seek other curios for this number)

A prime number with distinct digits, each of which is a primitive root modulo that prime. There are only six such numbers and this one is the largest (the others are 53, 827, 2357, 6827, and 8237). [Vantieghem]

Submitted: 2010-01-13 15:52:04; Last Modified: 2010-01-13 20:15:58.