127

This number is a prime.

Single Curio View: (Seek other curios for this number)

M(127) = M(M(7)) = M(M(M(3))) = M(M(M(M(2)))). Note that M(2), M(3), M(7) and M(127) are all Mersenne primes. [Capelle]

Submitted: 2007-06-13 10:34:34; Last Modified: 2008-01-30 17:28:00.