The first six digits of mathematics’ most famous constant written in Roman numerals, where only line segments are permissible.
In the sequence III, I, lV, I, V, IX, …, with three primary line segments being used to write the number four or nine in the Roman number system, what will be the least number of line segments needed to write the first thirty-two digits of the decimal number π?
by Fasters June 25, 2022