Fait général: 9841 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 9841 is an unremarkable number.
Culture générale: 9841 is a boring number.
Date historique: December 10th is the day in 1041 that the adopted son of Empress Zoe of Byzantium succeeds to the throne of the Eastern Roman Empire as Michael V.