Fatto matematico: 7458 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 7458 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: June 1st is the day in 1890 that the United States Census Bureau begins using Herman Hollerith's tabulating machine to count census returns.