24

This number is a composite.

Single Curio View:   (Seek other curios for this number)
24 is the smallest composite k such that the concatenation of the prime factors of k, with multiplicity, in some order is divisible by k. [Bergot and Israel]

Submitted: 2019-01-05 18:52:12;   Last Modified: 2019-01-05 18:53:22.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell