This number is a composite.

Single Curio View:   (Seek other curios for this number)
The only sphenic number (product of double-digit emirps, i.e., 13*31*79) whose reversal is a brilliant number, i.e., 73813 = 223*331. [Loungrides]

Submitted: 2019-06-27 05:17:14;   Last Modified: 2020-08-07 21:11:26.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell