The book is now available! 35353
(another Prime Pages' Curiosity)
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+ The smallest palindromic prime with only prime digits that forms another palindromic prime when each digit d is repeated d times: 3335555533355555333. [Beedassy]

+ 3:53:53 is the smallest odd-digit palindromic prime-digit prime time occurring at prime hours, prime minutes and prime seconds on a 12-hour clock. [Loungrides]

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