190080061
This number is a prime.
Just showing those entries submitted by 'Bajpai': (Click here to show all)
The smallest strobogrammatic prime containing all the
invertible digits {0, 1, 6, 8, 9} such that (a) its square
(36130429589763721) is pandigital; (b) the reversal of its
square (12736798592403163) is a pandigital prime. [Bajpai]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell