99999999999899999
This number is a prime.
9999999 9999899999
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The largest near repdigit prime whose length is equal to the sum of its distinct digits, i.e., 17 = 8 + 9. [Loungrides]
Submitted: 2011-12-30 12:05:38; Last Modified: 2019-01-10 11:56:49.
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