6661

This number is a prime.

+ The smallest beastly prime is also an invertible prime (1999).

+ The sum of cube of factorial of digits of the smallest beastly prime (6!^3 + 6!^3 + 6!^3 + 1!^3) yields an emirp. [Bajpai]

+ The smallest beastly prime is also "lucky." [Gaydos]

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

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