24

This number is a composite.

Single Curio View:   (Seek other curios for this number)
The largest known natural number n such that: prime(n+1) - prime(n) = φ(n). Note that prime(φ(24)+1) - prime(φ(24)) = φ(φ(24)). [Capelle]

Submitted: 2009-09-06 07:18:12;   Last Modified: 2014-07-22 18:54:53.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell