For a number's mathematical sign, see Sign (mathematics). The symbol # is known as the number sign, [1] hash, [2] (in North America) the pound sign, [3] and has a variety of other names.

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 16, 2024 · The meaning of NUMBER SIGN is the symbol #.

Each question is preceded by a number sign (#). If the first character in an entry is a number sign (#), the program treats the entry as a comment and ignores it.

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 symbol # is known as the number sign, hash, the pound sign, and has a variety of other names. The symbol has historically been used for a wide range of purp...

Explore the meaning, origin, and various uses of the number sign (#), also known as the hash symbol or pound sign. Discover its significance in mathematics, social media, and computing.

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.

Discover the Number Sign # character. Find its Unicode, HTML representation, and learn how to easily copy and paste it into your documents.

Mar 25, 2025 · Describes guidelines to use the number sign ' (\#)' in Microsoft documents and provides examples.