77777...77777 (37-digits)
This number is a prime.
7777773 7777333377 3237733337 7773777777
Single Curio View: (Seek other curios for this number)
The only prime-digit star-congruent prime of order 3. [Loungrides]
Submitted: 2010-02-27 08:14:35; Last Modified: 2014-08-30 15:16:45.
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