The standard notation for this class uses the number sign symbol, not the sharp sign from music, but it is pronounced "sharp P". More generally, the number sign may be used to denote the class of counting …

number sign, versatile symbol (#) most commonly used to preface numbers (e.g., apartment #1) but which encompasses a variety of other uses, especially to tag (or hashtag) posts and messages on …

Dec 17, 2025 · The number sign is the formal name for the symbol # in Unicode and typography standards. That name matters because it separates the symbol from its many informal aliases.

The number sign (#) is a typographical symbol that represents the word “number” in American English and in Canada. Generally placed immediately before a number or series of digits (with no spaces), it …

The number sign is the formal name for the symbol # in typography and standards such as Unicode, where it is officially designated U+0023 NUMBER SIGN (pronounced /ˈnʌmbər saɪn/) and used to …

After copying this symbol, you can paste it anywhere by pressing Ctrl and V on your keyboard. The number sign (#), also called the pound sign represents the word number in a list or a sentence. For …

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Click here to learn about using the number sign ( # ) in the English language. The number sign is also called the pound sign, pound key or hash.

Mar 16, 2026 · The hash symbol # (hashtag) can be typed using different key combinations depending on the keyboard type and system language. Here are the most common shortcuts to type the # …

Feb 6, 2020 · The "#" symbol has many names: number sign, hash sign, pound sign, octothorpe. But when should you use it in your writing? Check out our blog to find out.