1153

This number is a prime.

+ The smallest 4-digit prime p of the form 2^t*3^u + 1. [Russo]

+ The smallest emirp formed from the concatenation of two double-digit primes. [Loungrides]

(There are 5 curios for this number that have not yet been approved by an editor.)

Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell