Hecho matemático: 5675 is the number of monic polynomials of degree 13 with integer coefficients whose complex roots are all in the unit disk.
Trivia: 5675 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fecha histórica: July 15th is the day in 1381 that John Ball, a leader in the Peasants' Revolt, is hanged, drawn and quartered in the presence of King Richard II of England.