727
This number is a prime.
Just showing those entries submitted by 'Van Doorn': (Click here to show all)
727 = 1! + (1 + 2)! + (1 + 2 + 3)!. [Van Doorn]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
Just showing those entries submitted by 'Van Doorn': (Click here to show all)
727 = 1! + (1 + 2)! + (1 + 2 + 3)!. [Van Doorn]