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+ The smallest of three primes concatenated in descending order from two consecutive double-digit primes. The other two are 5953 and 6761. [Loungrides]

+ The only prime formed from the concatenation of two adjacent primes summed to a hundred. [Loungrides]

+ The smallest isolated prime concatenated from two successive double-digit isolated primes. [Loungrides]

(There is one curio for this number that has not yet been approved by an editor.)




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