# 10010101

This number is a prime.

A "byte" that is prime in both decimal and binary. Note that the 0's are in prime positions and the 1's are in non-prime positions when read left-to-right. [Honaker]

Smallest prime consisting only of digits 0 and 1 occurring with equal frequency. [Hanna]

Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell