733
This number is a prime.
Just showing those entries submitted by 'Petrov': (Click here to show all)
733+666^2=444289, 444+289=733; 733+666^3=295409029,
295+409+29=733; 733+666^5=131030122141309,
131+30+122+141+309=733. Note that all the three numbers
above, 666+733 as well 666733 are primes. The only other
prime sharing the same properties is 1327. [Petrov]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell