904117
This number is a prime.
904117 = 9!2^2 + 0!2^2 + 4!2^2 + 1!2^2 + 1!2^2 + 7!2^2. Note that 904117 is the only prime number with this
property. [Firoozbakht]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
904117 = 9!2^2 + 0!2^2 + 4!2^2 + 1!2^2 + 1!2^2 + 7!2^2. Note that 904117 is the only prime number with this
property. [Firoozbakht]