Unicode Character "∬" U+222C Double Integral
Unicode Version 15.1
∬
Summary
The unicode character "∬" at code point U+222C is Double Integral. It is a character in the Mathematical Operators block and is part of the Common script. The character is a math symbol. The UTF-8 encoding of "∬" is 0xE2 0x88 0xAC and the UTF-16 encoding is 0x222C.
General Properties
| Code Point | U+222C |
| Version Added | 1.1 |
| Name | Double Integral |
| Block | Mathematical Operators |
| General Category | Math Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Other Neutral |
| Mirrored | Yes |
| Decomposition Type | Compat |
| Decomposition Mapping | "∫" U+222B Integral "∫" U+222B Integral |
Encodings
| HTML Entity | ∬ |
| HTML Decimal Encoding | ∬ |
| HTML Hex Encoding | ∬ |
| UTF-8 Encoding | 0xE2 0x88 0xAC |
| UTF-16 Encoding | 0x222C |
| UTF-32 Encoding | 0x0000222C |
| C/C++/Java Escape | \u222c |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Expands On NFKC | Yes |
| Expands On NKFD | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Ambiguous (Alphabetic or Ideographic) |
| East Asian Width | Ambiguous |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "∫" U+222B Integral "∫" U+222B Integral |
| NFKC Simple Casefold | "∫" U+222B Integral "∫" U+222B Integral |
| Script | Common |
| Script Extensions | Common |
| Indic Syllabic Category | Other |
| Pattern Syntax | Yes |
| Math | Yes |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Other |
| Sentence Break | Other |