Hecho general: 806 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 806 is not the sum of a square, a cube, a 4^{th} power, and a 5^{th} power.
Trivia: 806 is an unremarkable number.
Fecha histórica: March 16th is the day in 1940 that First person killed in a German bombing raid on the UK in World War II during a raid on Scapa Flow in the Orkney Islands, James Isbister.