This number is a composite.
Single Curio View: (Seek other curios for this number)The only 2-sphenic number concatenated in reverse order from two successive odd numbers, i.e., 8987=11*19*43. Note that the concatenation in reverse order of these factors, i.e., 431911 is prime. [Loungrides]
Submitted: 2018-06-03 05:16:39; Last Modified: 2019-02-05 15:56:11.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell