Unicode Character "∅" U+2205 Empty Set
Unicode Version 15.1
∅
Summary
The unicode character "∅" at code point U+2205 is Empty Set. 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 0x85 and the UTF-16 encoding is 0x2205.
General Properties
| Code Point | U+2205 |
| Version Added | 1.1 |
| Name | Empty Set |
| Block | Mathematical Operators |
| General Category | Math Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Other Neutral |
Encodings
| HTML Entity | ∅ ∅ ∅ ∅ |
| HTML Decimal Encoding | ∅ |
| HTML Hex Encoding | ∅ |
| UTF-8 Encoding | 0xE2 0x88 0x85 |
| UTF-16 Encoding | 0x2205 |
| UTF-32 Encoding | 0x00002205 |
| C/C++/Java Escape | \u2205 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| NFKC Quick Check | Yes |
| NFKD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| 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 |