4563

This number is a composite.

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

+ 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