193818613

This number is a prime.

+ The smallest prime whose reversal is a 4-almost prime with prime factors from four successive 3-digit primes, i.e., 316818391 = 127 × 131 × 137 × 139. [Loungrides]

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