Empty Set ∅
Symbol Meaning
Empty Set. Mathematical Operators.
The symbol “Empty Set” is included in the “Miscellaneous mathematical symbols” subblock of the “Mathematical Operators” block and was approved as part of Unicode version 1.1 in 1993.
Synonyms
null set.
| Unicode Name | Empty Set |
| Unicode Number | |
| HTML Code | |
| CSS Code | |
| Entity | ∅ |
| Plane | 0: Basic Multilingual Plane |
| Unicode Block | Mathematical Operators |
| Unicode Subblock | Miscellaneous mathematical symbols |
| Unicode Version | 1.1 (1993) |
| Type of paired mirror bracket (bidi) | None |
| Composition Exclusion | No |
| Case change | 2205 |
| Simple case change | 2205 |
| Math | + |
| Grapheme_Base | + |
| scripts | Common |
| Pattern_Syntax | + |
| Encoding | hex | dec (bytes) | dec | binary |
|---|---|---|---|---|
| UTF-8 | E2 88 85 | 226 136 133 | 14846085 | 11100010 10001000 10000101 |
| UTF-16BE | 22 05 | 34 5 | 8709 | 00100010 00000101 |
| UTF-16LE | 05 22 | 5 34 | 1314 | 00000101 00100010 |
| UTF-32BE | 00 00 22 05 | 0 0 34 5 | 8709 | 00000000 00000000 00100010 00000101 |
| UTF-32LE | 05 22 00 00 | 5 34 0 0 | 86114304 | 00000101 00100010 00000000 00000000 |