Fatto generale: 163 is the atomic number of an element temporarily called Unhextrium.
Fatto matematico: 163 is the function f(n) = n2 + n + 41 gives prime values for all values of n between 0 and 39, and for n < 107 approximately half of all values are prime.
Trivia: 163 is the atomic number of an element temporarily called Unhextrium.
Data storica: June 11th is the day in 1892 that the Limelight Department, one of the world's first film studios, is officially established in Melbourne, Australia.