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23 (another Prime Pages' Curiosity) |
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Single Curio View: (Seek other curios for this number) The smallest prime p such that a prime is formed both from the ordered and the reverse concatenations of the first noncomposites up to p: 123571113171923 ; 231917131175321. [Beedassy]
Submitted: 2009-09-14 06:07:51; Last Modified: 2009-09-14 19:24:29.
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