# # U+0023 NUMBER SIGN

Hash or pound sign, also called octothorpe or hashtag symbol, used for numbers, social media tags, phone keypads, and code comments.

| | |
|---|---|
| Character | `#` |
| Codepoint | U+0023 |
| Name | NUMBER SIGN |
| Also known as | crosshatch, hash, hashtag, octothorpe, pound sign (weight) |
| Block | [Basic Latin](https://unicodekit.com/block/basic-latin) |
| Script | Common |
| Category | Other Punctuation (Po) |
| Unicode version | 1.1 |
| HTML | `#` `#` |
| CSS | `\23` |
| JavaScript | `\u0023` |
| UTF-8 | 23 |
| UTF-16 | 0023 |

## Notes

- for denoting musical sharp 266F is preferred

## Related characters

- " [U+0022 QUOTATION MARK](https://unicodekit.com/char/0022)
- $ [U+0024 DOLLAR SIGN](https://unicodekit.com/char/0024)
- ! [U+0021 EXCLAMATION MARK](https://unicodekit.com/char/0021)
- % [U+0025 PERCENT SIGN](https://unicodekit.com/char/0025)
- [U+0020 SPACE](https://unicodekit.com/char/0020)
- & [U+0026 AMPERSAND](https://unicodekit.com/char/0026)
- [U+001F INFORMATION SEPARATOR ONE](https://unicodekit.com/char/001F)
- ' [U+0027 APOSTROPHE](https://unicodekit.com/char/0027)
- [U+001E INFORMATION SEPARATOR TWO](https://unicodekit.com/char/001E)
- ( [U+0028 LEFT PARENTHESIS](https://unicodekit.com/char/0028)
- [U+001D GROUP SEPARATOR](https://unicodekit.com/char/001D)
- ) [U+0029 RIGHT PARENTHESIS](https://unicodekit.com/char/0029)

Page: https://unicodekit.com/char/0023 · JSON: https://unicodekit.com/characters/0023