30

This number is a composite.

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

+ The product of first five nonzero Fibonacci numbers. Note that 30 + 1 and 30 - 1 are twin primes. [Gupta]

+ The only number n such that reverse of n, n+1 and n+2 is prime. [Gupta]

Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell