Fatto generale: 71833 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 71833 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 71833 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: September 2nd is the day in 1811 that the University of Oslo is founded as The Royal Fredericks University, after Frederick VI of Denmark and Norway.