Fait général: 7201 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 7201 is the number of 2×2 singular matrices mod 19.
Culture générale: 7201 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: September 18th is the day in 1870 that Old Faithful Geyser is observed and named by Henry D. Washburn during the Washburn-Langford-Doane Expedition to Yellowstone.