Hecho general: 90243 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 90243 is an uninteresting number.
Trivia: 90243 is an unremarkable number.
Fecha histórica: January 28th is the day in 1624 that Sir Thomas Warner founds the first British colony in the Caribbean, on the island of Saint Kitts.