Ἷ is the Unicode character GREEK CAPITAL LETTER IOTA WITH DASIA AND PERISPOMENI, code point U+1F3F (decimal 7999) in the Greek Extended block, added in Unicode 1.1. In HTML write Ἷ, and in UTF-8 it is the 3 bytes E1 BC BF.
Codes
| Where | How to write it |
|---|---|
| Code point | U+1F3F |
| Decimal | 7999 |
| UTF-8 bytes | E1 BC BF |
| UTF-16 (big-endian) | 1F3F |
| UTF-32 | 00001F3F |
| HTML decimal | Ἷ |
| HTML hex | Ἷ |
| CSS | \1F3F |
| JavaScript | \u1F3F |
| JSON | \u1F3F |
| Python | \u1F3F |
| Python by name | \N{GREEK CAPITAL LETTER IOTA WITH DASIA AND PERISPOMENI} |
| Java, C# | \u1F3F |
| Rust, Swift | \u{1F3F} |
| Go, C, C++ | \u1F3F |
| URL (percent-encoded) | %E1%BC%BF |
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 | GREEK CAPITAL LETTER IOTA WITH DASIA AND PERISPOMENI |
| Code point | U+1F3F (decimal 7999) |
| Block | Greek Extended (U+1F00–U+1FFF) |
| General category | Lu: Uppercase letter |
| Script | Greek |
| Bidirectional class | L: Left-to-right |
| Mirrored in right-to-left text | No |
| First in Unicode version | 1.1 |
Decomposition
GREEK CAPITAL LETTER IOTA WITH DASIA AND PERISPOMENI is canonically equivalent to the sequence below. Normalising text to NFD splits it into these parts; NFC joins them back into U+1F3F. Search and comparison should normalise first, or the two spellings will not match.
Upper and lower case
Nearby in Greek Extended
- ἷ U+1F37 Greek Small Letter Iota With Dasia And Perispomeni
- Ἰ U+1F38 Greek Capital Letter Iota With Psili
- Ἱ U+1F39 Greek Capital Letter Iota With Dasia
- Ἲ U+1F3A Greek Capital Letter Iota With Psili And Varia
- Ἳ U+1F3B Greek Capital Letter Iota With Dasia And Varia
- Ἴ U+1F3C Greek Capital Letter Iota With Psili And Oxia
- Ἵ U+1F3D Greek Capital Letter Iota With Dasia And Oxia
- Ἶ U+1F3E Greek Capital Letter Iota With Psili And Perispomeni
- ὀ U+1F40 Greek Small Letter Omicron With Psili
- ὁ U+1F41 Greek Small Letter Omicron With Dasia
- ὂ U+1F42 Greek Small Letter Omicron With Psili And Varia
- ὃ U+1F43 Greek Small Letter Omicron With Dasia And Varia
- ὄ U+1F44 Greek Small Letter Omicron With Psili And Oxia
- ὅ U+1F45 Greek Small Letter Omicron With Dasia And Oxia
- Ὀ U+1F48 Greek Capital Letter Omicron With Psili
- Ὁ U+1F49 Greek Capital Letter Omicron With Dasia
All 233 characters: Greek Extended.
Official reference
Questions people ask
- What is the HTML code for Ἷ?
- Use Ἷ (decimal) or Ἷ (hex).
- What is the UTF-8 encoding of U+1F3F?
- E1 BC BF (hex), 3 bytes. In a URL it is %E1%BC%BF.
- How do I write U+1F3F in JavaScript or Python?
- JavaScript: \u1F3F. Python: \u1F3F.
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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