11916...98681 (42-digits)

This number is a prime.

11 9161116818 9116906911 8808811881 8811898681

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The smallest invertible prime that is the concatenation of six consecutive strobogrammatic primes: (1191611, 1681891, 1690691, 1880881, 1881881, 1898681). [Bajpai]

Submitted: 2018-03-06 23:57:12; Last Modified: 2018-03-07 00:01:26.