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 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 …

Sep 7, 2025 · Also called a hash, number sign, or pound sign, the octothorpe is the typographical symbol "#" (two horizontal lines and two vertical lines, crossed). On US QWERTY keyboards, 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.

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 …

Number sign is a name for the symbol #, which is used for a variety of purposes, including the designation of a number (for example, "#1" stands for "number one").

Meaning: The hashtag symbol or # is called a "hashtag" on Twitter because it marks keywords or topics, grouping them for easy search and discovery. The word "hashtag" combines "hash" (the # symbol, …

In this guide, we’re going to show you how to get the hashtag symbol (#), also known as the number sign. This symbol is like a little grid and you see it everywhere, from marking numbers in a list to …