This number is a prime.

+ The song "Re-Make/Re-Model" from Roxy Music's eponymous debut album contains the esoteric chorus "CPL 593H" (referring to a British license plate).

+ The only three-digit Leyland prime (593 = 92 + 29). [Astle]

+ The number on the conning tower of the submarine USS Wayne in the movie "The Spy Who Loved Me."

+ 593 = 2^(3*3) + 3^(2*2). [Silva]

+ Largest known prime of its form, total number of inequivalent Latin squares (or isotopy classes of Latin squares) of order n, for n from 1 through 7. That is, 1 + 1 + 1 + 2 + 2 + 22 + 564 = 593 is prime. [Post]

+ 593 can be expressed using its own digits in the form 9^(5-3)+(5-3)^9. [Silva]

+ The Hubble Space Telescope is a robotic telescope located on the outer edge of the atmosphere, in circular orbit around the Earth at 593 kilometers above sea level. [Loungrides]

+ There are 593 distinct sums of three distinct odd primes with distinct prime digits. [Gaydos]

+ The sum of digits of the Leyland prime 593 equals the previous Leyland prime. [Gudipati]

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

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