This number is a composite.

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

+ The sum of the digits of the first (3+3) primes with a digit-3 equals 33. Note that π(33) = π(3*π(33)). [Worrom]

(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