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+ The only palindromic prime with prime digit d appearing d times. [Beedassy]

+ The smallest almost depression prime. (An almost depression prime is a palindromic prime of the form abb...bab...bba, where a>b). [Loungrides]

+ 3:23:23 is the smallest prime-digit palindromic prime time occurring at prime hours, prime minutes, and prime seconds, on a 12-hour digital clock. [Loungrides]




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