This number is a prime.

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

+ The only prime (emirp) equal to the sum of first n consecutive primes ending with 3 and smaller than a thousand, i.e., 3+13+23+...+193+223. Note that the number of terms is also emirp (n=13). [Loungrides]

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