11111111113

This number is a prime.

1 1111111113

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The largest near-repunit non-titanic emirp P found in the sequence 3, 13, 113, 1113, 11113, 111113, etc. Curiously, sod(P) is the smallest emirp (13). [Bajpai]

Submitted: 2021-06-24 01:29:55; Last Modified: 2021-06-24 01:52:42.