42107
This number is a composite.
The only 2-sphenic number such that one of its digits is equal to the sum of the other digits, i.e., 42107 = 13 * 41 * 79. [Loungrides]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a composite.
The only 2-sphenic number such that one of its digits is equal to the sum of the other digits, i.e., 42107 = 13 * 41 * 79. [Loungrides]