Fatto matematico: 6736 is the number of 3×3 sliding puzzle positions that require exactly 17 moves to solve starting with the hole in the center.
Trivia: 6736 is a boring number.
Data storica: June 10th is the day in 1786 that a landslide dam on the Dadu River created by an earthquake ten days earlier collapses, killing 100,000 in the Sichuan province of China.