Codewars 7 kyu Creating a Bitset, Part 1 Javascript

this one has a lot going on Number.prototype.toString() info: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/toString slice() info: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/slice Set() constructor info: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set/Set add() info: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set/add padStart() info: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/padStart split() info: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/split map() info: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/map unary plus (+) info: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Unary_plus filter() info: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/filter