# 111317

This number is a prime.

A prime number formed by concatenating the three smallest double-digit primes (11, 13, 17) in order. Note that if you concatenate the 11th prime, the 13th prime, and the 17th prime, in order, you'll get another prime (one whose digits begin a well-known mathematical constant). [Somer]

(There are 3 curios for this number that have not yet been approved by an editor.)

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