Hecho general: 275 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 275 is the number of partitions of 28 in which no part occurs only once.
Trivia: 275 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fecha histórica: October 1st is the day in 1989 that Denmark introduces the world's first legal modern same-sex civil union called "registered partnership".