Search a number
factorial  and  Jordan-Polya n.

Search a number

(max 15 digits)

First numbers that belong to both sets:

1, 2, 6, 24, 120, 720, 5040, 40320, 362880, 3628800, 39916800, 479001600, 6227020800, 87178291200, 1307674368000, 20922789888000, 355687428096000.