Tuesday, March 24, 2009

563

563 is a prime number.

563 is the largest known Wilson prime; p is a Wilson prime if p2 divides (p - 1)! + 1. For example, 5 is a Wilson prime because 25 divides 4! + 1 = 25.

Inserting a 9 between adjacent digits of 563 produces a prime: 59693.

563 is a prime such that the number plus its digit sum produces another prime: 563 + 14 = 577, a prime.


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

Source: Prime Curios!
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