361

This number is a composite.

+ One of Ramanujan's approximations of π was (92 + (192/22))1/4. Note that 361 is a prime square (192). [Capelle]

(There are 4 curios for this number that have not yet been approved by an editor.)

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