563

This number is a prime.

+ The largest known Wilson prime.

+ Reggie Jackson hit 563 home runs in his professional baseball career. He led his teams to five world championships and eleven division titles.

+ As Pierre Cami points out, this is the smallest prime with a twin Carmichael number, since 563 - 2 = 561 is the first Carmichael number. [Post]

+ The smallest prime happy number with a prime happy numbered index. [Goelz]

+ Popular Mechanics sells "The Pocket Genius: 563 Facts That Make You the Smartest Person in the Room."

+ Two to the power 563 is the smallest power of 2 that contains all twenty-five one and two-digit primes. [Gaydos]

+ The smallest prime that can be represented as sum of squares of first n successive numbers ending with the same digit, i.e., 1^2+11^2+21^2, (n=3). [Loungrides]

+ The Buddha was born in the year 563 B.C. at a place called Lumbini.

+ Only distinct-digit Honaker number which does not share any digit with its corresponding distinct-digit Honaker prime. [Gupta]

+ The Galápagos Islands are located 563 miles west of continental Ecuador.

(There are 4 curios for this number that have not yet been approved by an editor.)

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