Fatto matematico: 1962 is the smallest value of n for which 2n and 9n together use the digits 1-9 exactly once.
Trivia: 1962 is an unremarkable number.
Data storica: May 15th is the day in 1793 that Diego Marín Aguilera flies a glider for "about 360 meters", at a height of 5-6 meters, during one of the first attempted .