# 142447

This number is a composite.

The smallest and the only 6-digt tnaillirb number whose the prime factors are palindromic primes and the prime factors of its reversal are emirps, i.e., 142447 = 181 * 787, 744241 = 751 * 991. [Loungrides]

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