math_fact: 7164 is a value of n for which n^{8}, n^{9}, n^{10}, and n^{11} have the same digit sum.
trivia: 7164 is an uninteresting number.
historical_date: August 12th is the day in 1985 that Japan Airlines Flight 123 crashes into Osutaka ridge in Gunma Prefecture, Japan, killing 520, to become the worst single-plane air disaster.