Fatto generale: 13983 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 13983 is a boring number.
Trivia: 13983 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: April 13th is the day in 1919 that Eugene V. Debs enters prison at the Atlanta Federal Penitentiary in Atlanta, Georgia, for speaking out against the draft during World War I.