Fun fact: in Roman numerals there is no standard way to write numbers above 3999. There are basically two competing camps for how to write them. One with C's an

Fun fact: in Roman numerals there is no standard way to write numbers above 3999. There are basically two competing camps for how to write them. One with C's and backwards C's acting kinda like parens and one with lines over the letters. On the other hand, they had semi-standard numerals for all sorts of odd fractions like 1⁄288 = ℈.