609861011
This number is a prime.
The smallest invertible prime containing all of the
invertible digits {0, 1, 6, 8, 9} formed from the
concatenation of n, (n+3) and single digit 1, i.e.,
{6098||6101||1}. [Bajpai]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell