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222 (another Prime Pages' Curiosity) |
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Single Curio View: (Seek other curios for this number) 222 is the smallest repunit such that the product of itself and all truncations of itself plus and minus one results in twin primes. I.e., 222*22*2 ± 1 are twin primes. [Opao]
Submitted: 2003-12-14 23:51:37; Last Modified: 2008-01-30 11:28:00.
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