13313...31331 (49-digits)
This number is a prime.
133133133 1331331331 3313313313 3133133133 1331331331
Single Curio View: (Seek other curios for this number)
My 11-year old son's first repeating pattern prime. [Carson]
Submitted: 2004-03-14 19:44:05; Last Modified: 2008-01-30 17:28:00.
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