1110587
This number is a prime.
The smallest emirp that is the sum of first n triangular
numbers with prime indices (3+6+15+...+50403+54946+56953 =
1110587). [Bajpai]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Reginald McLean
This number is a prime.
The smallest emirp that is the sum of first n triangular
numbers with prime indices (3+6+15+...+50403+54946+56953 =
1110587). [Bajpai]