24036583

This number is a prime.

+ The exponent of the 41st known Mersenne prime, which was discovered by Josh Findley via GIMPS in 2004. Two years later, Luke Pebody demonstrated that this 7235733-digit number cannot be generated by any other integer added to the sum of its digits. (See 2099.)

(There are 3 curios for this number that have not yet been approved by an editor.)

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