Fatto generale: 255 is the largest representable integer in an unsigned byte.
Fatto matematico: 255 is a repdigit in base 2 (11111111) in base 4 (3333), and in base 16 (FF).
Trivia: 255 is the largest representable integer in an unsigned byte.
Data storica: September 11th is the day in 1708 that Charles XII of Sweden stops his march to conquer Moscow outside Smolensk, marking the turning point in the Great Northern War.