Numerals

The decimal (base ten or occasionally denary) numeral system has ten as its base. It is the most widely used numeral system, perhaps because a human usually has four fingers and a thumb on each hand, giving a total of ten digits on both hands. Read more >>

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Positional systems

Binary
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Ternary
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Quaternary
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Quinary
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Senary
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Septenary
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Octal
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Nonary
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Decimal
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Undecimal
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Duodecimal
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Base 13
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Hexadecimal
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Vigesimal
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Numeral systems

Arabic numerals
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Roman numerals
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Languages

English
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German
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Spanish
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Swedish
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A numeral is a symbol or group of symbols that represents a number. Numerals differ from numbers just as words differ from the things they refer to. The symbols "11", "eleven" and "XI" are different numerals, all representing the same number. This article attempts to explain the various systems of numerals. Read more >>