17098...09861 (147-digits)
This number is a prime.
1709861
1709959170 9969170997 1170999917 1001117101 3117101931 7102211710 2871710337
1710287171 0221171019 3171013117 1001117099 9917099711 7099691709 9591709861
The smallest emirp formed from the concatenation of 11
consecutive 7-digit emirps in the pattern {a, b, c, d, e,
f, g, h, i, j, k, j, i, h, g, f, e, d, c, b, a}, i.e.,
{1709861, 1709959, 1709969, 1709971, 1709999, 1710011,
1710131, 1710193, 1710221, 1710287, 1710337, 1710287,
1710221, 1710193, 1710131, 1710011, 1709999, 1709971,
1709969, 1709959, 1709861}. [Bajpai]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell