Fatto generale: 84103 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 84103 is an unremarkable number.
Trivia: 84103 is an uninteresting number.
Data storica: April 7th is the day in 1999 that the World Trade Organization rules in favor of the United States in its long-running trade dispute with the European Union over bananas.