Hecho matemático: 4151 is 4^{5} + 1^{5} + 5^{5} + 1^{5}.
Trivia: 4151 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fecha histórica: May 13th is the day in 2011 that the 2011 Charsadda bombing in the Charsadda District of Pakistan two bombs exploded killing 98 and wounding 140.