This number is a composite.

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

+ π(24) = π(2!)*π(4!). [Firoozbakht]

+ prime(1)^prime(1) + prime(2)^prime(2) + ... + prime(24)^prime(24) is prime. The next such prime (if it exists) has more than 46000 digits. [Firoozbakht]

(There is one curio for this number that has not yet been approved by an editor.)

Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell