ム is the Unicode character HALFWIDTH KATAKANA LETTER MU, code point U+FF91 (decimal 65425) in the Halfwidth and Fullwidth Forms block, added in Unicode 1.1. In HTML write ム, and in UTF-8 it is the 3 bytes EF BE 91.
Codes
| Where | How to write it |
|---|---|
| Code point | U+FF91 |
| Decimal | 65425 |
| UTF-8 bytes | EF BE 91 |
| UTF-16 (big-endian) | FF91 |
| UTF-32 | 0000FF91 |
| HTML decimal | ム |
| HTML hex | ム |
| CSS | \FF91 |
| JavaScript | \uFF91 |
| JSON | \uFF91 |
| Python | \uFF91 |
| Python by name | \N{HALFWIDTH KATAKANA LETTER MU} |
| Java, C# | \uFF91 |
| Rust, Swift | \u{FF91} |
| Go, C, C++ | \uFF91 |
| URL (percent-encoded) | %EF%BE%91 |
JavaScript and JSON strings store text as UTF-16, so this character is one code unit long. Python 3 strings count code points, so its length there is 1.
Properties
| Property | Value |
|---|---|
| Name | HALFWIDTH KATAKANA LETTER MU |
| Code point | U+FF91 (decimal 65425) |
| Block | Halfwidth and Fullwidth Forms (U+FF00–U+FFEF) |
| General category | Lo: Other letter |
| Script | Katakana |
| Bidirectional class | L: Left-to-right |
| Mirrored in right-to-left text | No |
| First in Unicode version | 1.1 |
Decomposition
HALFWIDTH KATAKANA LETTER MU has a compatibility decomposition (narrow) to the sequence below. NFKC and NFKD normalisation replace it with that sequence, which can change how text looks, so use them for search, not for storage.
Nearby in Halfwidth and Fullwidth Forms
- ノ U+FF89 Halfwidth Katakana Letter No
- ハ U+FF8A Halfwidth Katakana Letter Ha
- ヒ U+FF8B Halfwidth Katakana Letter Hi
- フ U+FF8C Halfwidth Katakana Letter Hu
- ヘ U+FF8D Halfwidth Katakana Letter He
- ホ U+FF8E Halfwidth Katakana Letter Ho
- マ U+FF8F Halfwidth Katakana Letter Ma
- ミ U+FF90 Halfwidth Katakana Letter Mi
- メ U+FF92 Halfwidth Katakana Letter Me
- モ U+FF93 Halfwidth Katakana Letter Mo
- ヤ U+FF94 Halfwidth Katakana Letter Ya
- ユ U+FF95 Halfwidth Katakana Letter Yu
- ヨ U+FF96 Halfwidth Katakana Letter Yo
- ラ U+FF97 Halfwidth Katakana Letter Ra
- リ U+FF98 Halfwidth Katakana Letter Ri
- ル U+FF99 Halfwidth Katakana Letter Ru
All 225 characters: Halfwidth and Fullwidth Forms.
Official reference
Questions people ask
- What is the HTML code for ム?
- Use ム (decimal) or ム (hex).
- What is the UTF-8 encoding of U+FF91?
- EF BE 91 (hex), 3 bytes. In a URL it is %EF%BE%91.
- How do I write U+FF91 in JavaScript or Python?
- JavaScript: \uFF91. Python: \uFF91.
Source
Unicode Character Database 18.0.0 (Unicode License v3); HTML entity names from the WHATWG HTML Standard (CC BY 4.0). The encodings above are computed from the code point and checked against Python's encoders. How the character looks depends on your fonts.
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