Fatto matematico: 4193 is the number of 3×3 sliding puzzle positions that require exactly 16 moves to solve starting with the hole on a side.
Trivia: 4193 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: June 24th is the day in 2010 that John Isner of the United States defeats Nicolas Mahut of France at Wimbledon, in the longest match in professional tennis history.