41836...75097 (68-digits)
This number is a prime.
41836380 5755069073 2802725481 0006939811 5205174001 6300662625 1253775097
The sum of the sum of digits of the first 18 primes , where
each is powered by the corresponding prime number , is
prime (i.e., 2^2 + 3^3 + 5^5 + 7^7 + 2^11 + 4^13 + 8^17 +
10^19 + ... + 8^53 + 14^59 + 7^61). Interestingly the sum
of digits of this prime is 263 (prime), the sum of digits
of 263 is 11 (prime), and sum of digits of 11 is 2 (prime). [Suzanna]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell