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1999 (another Prime Pages' Curiosity) |
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Single Curio View: (Seek other curios for this number) The smallest invertible prime that yields another invertible prime when each digit d is repeated d times: 1999999999999999999999999999. [Beedassy]
Submitted: 2009-04-11 10:15:09; Last Modified: 2009-04-11 12:00:49.
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