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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