math_fact: 2802 is the sum of its proper divisors that contain the digit 4.
trivia: 2802 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: September 2nd is the day in 1990 that Transnistria is unilaterally proclaimed a Soviet republic; the Soviet president Mikhail Gorbachev declares the decision null and void.