general_fact: 14173 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 14173 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 14173 is a boring number.
historical_date: October 20th is the day in 1904 that Chile and Bolivia sign the Treaty of Peace and Friendship, delimiting the border between the two countries.