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949 (another Prime Pages' Curiosity) |
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Single Curio View: (Seek other curios for this number) 949 is the only known multi-digit palindromic number m such that m*m! - prime(m) is prime. [Firoozbakht]
Submitted: 2004-09-11 03:26:31; Last Modified: 2008-01-30 11:28:00.
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