A number may refer to any of the following:
1. Sometimes abbreviated as num, a number is any character that is 1, 2, 3, 4, 5, 6, 7, 8, 9, or 0. Any negative number is any of the earlier characters beginning with a hyphen, for example, -12 is a negative number.
2. Alternatively referred to as an ordered list or number list, see our numbering definition for information about creating this type of list.
3. A number is an abbreviation often used for "phone number."
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