16666...99991 (100-digits)
This number is a prime.
1666666666 6666666666 6666666666
6666666666 6666666666 9999999999 9999999999 9999999999 9999999999 9999999991
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This is a strobogrammatic prime of perfect square length. [Patterson]
Submitted: 2003-02-12 18:04:35; Last Modified: 2008-01-30 17:28:00.
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