MathDB
Math Prize 2019 Problem 19

Source:

October 15, 2019
Math Prize for Girls

Problem Statement

Consider the base 27 number n=ABCDEFGHIJKLMNOPQRSTUVWXYZ, n = ABCDEFGHIJKLMNOPQRSTUVWXYZ , where each letter has the value of its position in the alphabet. What remainder do you get when you divide nn by 100? (The remainder is an integer between 0 and 99, inclusive.)