983
This number is a prime.
Single Curio View: (Seek other curios for this number)
The smallest nontrivial (multidigit) emirp that is the sum of the first n untouchable numbers (2+5+52+88+...+162+188 = 983). [Bajpai]
Submitted: 2016-07-21 19:29:18; Last Modified: 2018-04-12 11:47:00.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell