👉 A chevrotain, also known as a chevron, is a shape made up of two lines that are perpendicular to each other. It can be used in various design elements such as hats, scarves, and clothing accessories. In terms of mathematics, chevrotains represent the number of 2's in the decimal representation of a base-2 number. For example, in binary (base-2), we have 1's for 0 and 1, so there are