This number is a prime.

Just showing those entries submitted by 'Loungrides': (Click here to show all)

+ The smallest beast prime consisting of all the invertible digits whose inverted number is a 3-sphenic number, i.e., 60181999 = 191 x 487 x 647. [Loungrides]

Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell