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A numeral is a symbol or group of symbols that represents a number. Numerals are not the same as numbers just as words are the same with the things they refer to. The value of a number is a weighted sum of its digits. Multiple different different numerals can represent the same number. A circular list can effectively represent what we mentioned in the above paragraph. With the ring we can easily represent any single digit of any positional numeral system by filling it with the possible ordered states and an initial value.