Hecho general: 4184 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 4184 is an unremarkable number.
Trivia: 4184 is a boring number.
Fecha histórica: June 15th is the day in 1919 that John Alcock and Arthur Brown complete the first nonstop transatlantic flight when they reach Clifden, County Galway, Ireland.