4563
This number is a composite.
π(4563) = 4! - 5! + 6! - 3!. Note that 4563 is the smallest number with this property. [Firoozbakht]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a composite.
π(4563) = 4! - 5! + 6! - 3!. Note that 4563 is the smallest number with this property. [Firoozbakht]