11116666111
This number is a prime.
1 1116666111
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The only prime of form aaaabbbbaaa. Note that the sum of its digits, (31), is an emirp and its length, (11), is a palindromic prime. [Loungrides]
Submitted: 2012-07-25 11:18:16; Last Modified: 2020-05-28 21:33:47.
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