Hecho general: 4666 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 4666 is the number of tilted rectangles with vertices in a 13×13 grid.
Trivia: 4666 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fecha histórica: October 9th is the day in 1776 that Father Francisco Palou founds Mission San Francisco de Asis in what is now San Francisco, California.