1493

This number is a prime.

+ The year that Christopher Columbus returned to Spain after his first New World voyage.

+ The largest known Stern prime, i.e., it is not the sum of a smaller prime and twice the square of a nonzero integer. These are Named after Jewish mathematician Moritz Abraham Stern (1807-1894).

+ Minimal number of simplices in a triangulation of the 7-dimensional cube, and the largest prime proven to be the minimal number of simplices in a triangulation of the n-dimensional cube for any n. [Post]

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

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