This number is a prime.
Single Curio View: (Seek other curios for this number)127 is the 15th Fibonacci 7-step (heptanacci) number. Note that 2^7-1 = 127, making it the 4th Mersenne prime. [Loungrides]
Submitted: 2018-04-03 07:06:40; Last Modified: 2018-04-04 06:15:46.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell