This number is a prime.

+ The largest minimal prime in base 7. [Rupinski]

+ The smallest prime equal to the sum of the n first powers of 7 (n=5). [Loungrides]

+ The sum total of kitts, cats, sacks, wives, plus the man himself, in the St. Ives Problem.

(There are 2 curios for this number that have not yet been approved by an editor.)

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