Fatto generale: 41303 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 41303 is an unremarkable number.
Trivia: 41303 is a boring number.
Data storica: January 30th is the day in 1858 that the first Hallé concert is given in Manchester, England, marking the official founding of the Hallé Orchestra as a full-time, professional orchestra.