Numerals are symbols used to represent numbers.
Numeral systems are systems for representing numbers using these symbols.
There are several different numeral systems in use around the world, including the Hindu-Arabic numeral system, which is used in most parts of the world, and the Roman numeral system, which is still used in some contexts, such as for numbering chapters in books and naming Super Bowl games.
The Hindu-Arabic numeral system is a base-10 system, which means that it uses 10 different digits (0, 1, 2, 3, 4, 5, 6, 7, 8, and 9) to represent all numbers. In this system, the value of a digit is determined by its place in the number. For example, in the number 35, the 3 represents 3 tens, and the 5 represents 5 ones.
The Roman numeral system is a base-10 system that uses a set of seven symbols to represent numbers: I, V, X, L, C, D, and M. These symbols can be combined to represent larger numbers. For example, the number 39 can be represented as XXXIX in Roman numerals.
Other numeral systems include the binary system, which is used in computers and is based on the digits 0 and 1, and the octal system, which is based on the digits 0 through 7.
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