ァ is the Unicode character HALFWIDTH KATAKANA LETTER SMALL A, code point U+FF67 (decimal 65383) in the Halfwidth and Fullwidth Forms block, added in Unicode 1.1. In HTML write ァ, and in UTF-8 it is the 3 bytes EF BD A7.
Codes
| Where | How to write it |
|---|---|
| Code point | U+FF67 |
| Decimal | 65383 |
| UTF-8 bytes | EF BD A7 |
| UTF-16 (big-endian) | FF67 |
| UTF-32 | 0000FF67 |
| HTML decimal | ァ |
| HTML hex | ァ |
| CSS | \FF67 |
| JavaScript | \uFF67 |
| JSON | \uFF67 |
| Python | \uFF67 |
| Python by name | \N{HALFWIDTH KATAKANA LETTER SMALL A} |
| Java, C# | \uFF67 |
| Rust, Swift | \u{FF67} |
| Go, C, C++ | \uFF67 |
| URL (percent-encoded) | %EF%BD%A7 |
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 SMALL A |
| Code point | U+FF67 (decimal 65383) |
| 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 SMALL A 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
- ⦅ U+FF5F Fullwidth Left White Parenthesis
- ⦆ U+FF60 Fullwidth Right White Parenthesis
- 。 U+FF61 Halfwidth Ideographic Full Stop
- 「 U+FF62 Halfwidth Left Corner Bracket
- 」 U+FF63 Halfwidth Right Corner Bracket
- 、 U+FF64 Halfwidth Ideographic Comma
- ・ U+FF65 Halfwidth Katakana Middle Dot
- ヲ U+FF66 Halfwidth Katakana Letter Wo
- ィ U+FF68 Halfwidth Katakana Letter Small I
- ゥ U+FF69 Halfwidth Katakana Letter Small U
- ェ U+FF6A Halfwidth Katakana Letter Small E
- ォ U+FF6B Halfwidth Katakana Letter Small O
- ャ U+FF6C Halfwidth Katakana Letter Small Ya
- ュ U+FF6D Halfwidth Katakana Letter Small Yu
- ョ U+FF6E Halfwidth Katakana Letter Small Yo
- ッ U+FF6F Halfwidth Katakana Letter Small Tu
All 225 characters: Halfwidth and Fullwidth Forms.
Official reference
Questions people ask
- What is the HTML code for ァ?
- Use ァ (decimal) or ァ (hex).
- What is the UTF-8 encoding of U+FF67?
- EF BD A7 (hex), 3 bytes. In a URL it is %EF%BD%A7.
- How do I write U+FF67 in JavaScript or Python?
- JavaScript: \uFF67. Python: \uFF67.
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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