How is a numeral defined?

Answer 1

A numeral is a symbol used to denote the concept of number. Different cultures throughout human history have used different numerals representing the same number. The numeral symbol can be a letter, word or some other identifying mark. Numerals are commonly used for identification indicating specific people, organizations, places, or things. Examples of identifying numerals include telephone numbers, apartment numbers, social security numbers, and those on the uniforms or jerseys of sports teams indicating particular players or positions. You cannot perform any arithmetical operations on identifying numerals since they are not used for counting or measuring.