∅
Technical information
| Name: | Empty Set |
| Symbol: | ∅ |
| Unicode Number: | U+02205 |
| HTML Code: | ∅ |
| HTML Entity: | ∅ ∅ ∅ ∅ |
| CSS Code: | \2205 |
| UTF-8 Encoding: | 0x2205 |
| UTF-16 Encoding: | 0x00002205 |
| UTF-32 Encoding: | 0x0000000000002205 |