# 9468649

This number is a composite.

The only 7-digit palindrome 3-sphenic number that consists of all the composite digits only, i.e., 9468649 = 101 x 241 x 389. Note that, both the concatenations of its prime factors, in order and reverse order, i.e., 101241389 and 389241101, are primes. [Loungrides]

(There is one curio for this number that has not yet been approved by an editor.)

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