Hecho general: 42018 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 42018 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 42018 is a boring number.
Fecha histórica: January 15th is the day in 69 that Otho seizes power in Rome, proclaiming himself Emperor of Rome, but rules for only three months before committing suicide.