# 12457

This number is a prime.

A prime in the decimal expansion of fifth root of 3, an expression of the first two odd primes, which is a truncation of another such prime 12457309. Note that these two primes both have prime digital sums, 19 and 31. [Post]

The smallest prime using all the non-curved digits. [Goins]

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