# 1891601

This number is a prime.

The smallest invertible prime p containing all of the invertible digits {0, 1, 6, 8, 9} such that p^6 + k is prime, where k is an integer formed by concatenating in ascending order the first six digits d, d times each of them. [Bajpai]

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