math_fact: 4048 is a value of n for which n, 2n, 3n, and 4n all use the same number of digits in Roman numerals.
trivia: 4048 is a boring number.
historical_date: January 30th is the day in 1889 that Archduke Crown Prince Rudolf of Austria, heir to the Austro-Hungarian crown, is found dead with his mistress Baroness Mary Vetsera in Mayerling.