Hecho general: 16 is the minimum age that one can drop out of school in most states of the US (however, restrictions apply and vary depending on state).
Hecho matemático: 16 is the first number to be the aliquot sum of a lesser number; 12, it is also the aliquot sum of the greater number; the discrete semiprime, 26.
Trivia: 16 is the number of personality types in the Myers-Briggs classification system.
Fecha histórica: January 16th is the day in 1942 that Crash of TWA Flight 3, killing all 22 aboard, including film star Carole Lombard.