Hecho general: 5128 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 5128 is a boring number.
Trivia: 5128 is a boring number.
Fecha histórica: January 14th is the day in 1933 that the controversial Bodyline cricket tactics used by Douglas Jardine's England peaks when Australian captain Bill Woodfull was hit in the heart.