999999503

This number is a prime.

+ The largest nine-digit prime such that prime(9+9+9+9+9+9+5+0+3) + π(9+9+9+9+9+9+5+0+3) is also prime. [Bajpai]

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