Fatto generale: 91 is the amount of money one has if one has one coin of each U.S. denomination less than a dollar (penny, nickel, dime, quarter, half dollar) in cents.
Fatto matematico: 91 is a repdigit in base 9 (111).
Trivia: 91 is the amount of money one has if one has one coin of each U.S. denomination less than a dollar (penny, nickel, dime, quarter, half dollar) in cents.
Data storica: March 31st is the day in 1949 that the Dominion of Newfoundland joins the Canadian Confederation and becomes the 10th Province of Canada.