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172 (another Prime Pages' Curiosity) |
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Single Curio View: (Seek other curios for this number) 172 is the only byte whose binary representation contains a 1 at bit n iff n is prime (17210 = 101011002). [Thoms]
Submitted: 2001-09-09 23:00:42; Last Modified: 2008-01-30 11:28:00.
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