19
This number is a prime.
Single Curio View: (Seek other curios for this number)
The number of trailing 0's in 80!.
Submitted: 1999-09-02 23:40:00; Last Modified: 2009-08-06 16:08:33.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell