ⅈ is the Unicode character DOUBLE-STRUCK ITALIC SMALL I, code point U+2148 (decimal 8520) in the Letterlike Symbols block, added in Unicode 3.2. In HTML write ⅈ, and in UTF-8 it is the 3 bytes E2 85 88.
Codes
| Where | How to write it |
|---|---|
| Code point | U+2148 |
| Decimal | 8520 |
| UTF-8 bytes | E2 85 88 |
| UTF-16 (big-endian) | 2148 |
| UTF-32 | 00002148 |
| HTML decimal | ⅈ |
| HTML hex | ⅈ |
| HTML named | ⅈ ⅈ |
| CSS | \2148 |
| JavaScript | \u2148 |
| JSON | \u2148 |
| Python | \u2148 |
| Python by name | \N{DOUBLE-STRUCK ITALIC SMALL I} |
| Java, C# | \u2148 |
| Rust, Swift | \u{2148} |
| Go, C, C++ | \u2148 |
| URL (percent-encoded) | %E2%85%88 |
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 | DOUBLE-STRUCK ITALIC SMALL I |
| Code point | U+2148 (decimal 8520) |
| Block | Letterlike Symbols (U+2100–U+214F) |
| General category | Ll: Lowercase letter |
| Script | Common |
| Bidirectional class | L: Left-to-right |
| Mirrored in right-to-left text | No |
| First in Unicode version | 3.2 |
Decomposition
DOUBLE-STRUCK ITALIC SMALL I has a compatibility decomposition (font) 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 Letterlike Symbols
- ⅀ U+2140 Double-Struck N-Ary Summation
- ⅁ U+2141 Turned Sans-Serif Capital G
- ⅂ U+2142 Turned Sans-Serif Capital L
- ⅃ U+2143 Reversed Sans-Serif Capital L
- ⅄ U+2144 Turned Sans-Serif Capital Y
- ⅅ U+2145 Double-Struck Italic Capital D
- ⅆ U+2146 Double-Struck Italic Small D
- ⅇ U+2147 Double-Struck Italic Small E
- ⅉ U+2149 Double-Struck Italic Small J
- ⅊ U+214A Property Line
- ⅋ U+214B Turned Ampersand
- ⅌ U+214C Per Sign
- ⅍ U+214D Aktieselskab
- ⅎ U+214E Turned Small F
- ⅏ U+214F Symbol For Samaritan Source
All 80 characters: Letterlike Symbols.
Official reference
Questions people ask
- What is the HTML code for ⅈ?
- Use the named entity ⅈ, or ⅈ (decimal) or ⅈ (hex).
- What is the UTF-8 encoding of U+2148?
- E2 85 88 (hex), 3 bytes. In a URL it is %E2%85%88.
- How do I write U+2148 in JavaScript or Python?
- JavaScript: \u2148. Python: \u2148.
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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