1000

This number is a composite.

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

+ The 147th prime + 147 equals a thousand. [Bopardikar]

+ (11^11+22^22+33^33+44^44+55^55+66^66+77^77+88^88+99^99) minus 1000 is prime. [Bopardikar]

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