1511

This number is a prime.

+ It is alleged, yet unproven, that a monk was killed by a meteorite in Cremona, Italy, in 1511. In algebraic geometry, the problem of describing the Cremona group of spaces in three dimensions and higher has not been settled either. [Sullins]

+ Smallest emirp whose reversal appears in its Collatz trajectory. [Sariyar]

+ The USS Arizona had a 1511-man crew during the attack on Pearl Harbor. [Hess]

+ "The School of Athens" by the Italian Renaissance artist Raphael was completed by 1511.

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

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