Hecho matemático: 5383 is the number of triangles of any size contained in the triangle of side 27 on a triangular grid.
Trivia: 5383 is an unremarkable number.
Fecha histórica: September 26th is the day in 2002 that the overcrowded Senegalese ferry MV Joola capsizes off the coast of The Gambia killing more than 1,000.