Fatto generale: 83773 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 83773 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 83773 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: May 12th is the day in 1941 that Konrad Zuse presents the Z3, the world's first working programmable, fully automatic computer, in Berlin.