Numerical digit
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A digit is a type of symbol (a numeral symbol, such as "2" or "5") used in combinations (such as "25") to represent numbers (such as the number 25) in positional numeral systems. The name "digit" comes from the fact that the 10 digits (ancient Latin digiti meaning fingers) of the hands correspond to the 10 symbols of the common base 10 number system, i.e. the decimal (ancient Latin adjective dec. meaning ten) digits.
In a given number system, if the base is an integer, the number of digits required is always equal to the absolute value of the base. For example, the decimal system (base 10) has ten digits (0 through to 9), whereas binary (base 2) has two digits (0 and 1).
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See also
- Hexadecimal
- Bit
- Significant digit
- Large numbers
- Text figures
- Abacus
- History of large numbers
- List of numeral system topics
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Numeral notation in various scripts
- Arabic numerals
- Armenian numerals
- Babylonian numerals
- Burmese numerals
- Chinese numerals
- Greek numerals
- Hebrew numerals
- Indian numerals
- Japanese numerals
- Korean numerals
- Mayan numerals
- Quipu
- Rod numerals
- Roman numerals
- Suzhou numerals
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