Hecho general: 81013 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 81013 is an unremarkable number.
Trivia: 81013 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fecha histórica: October 21st is the day in 1971 that a gas explosion kills 22 people at a shopping centre in Clarkston, East Renfrewshire, near Glasgow, Scotland.