| Name | EMPTY SET WITH LEFT ARROW ABOVE |
| Unicode Version | 3.2 |
| Block（ブロック） | Miscellaneous Mathematical Symbols-B（その他の数学記号B） |
| Plane（面） | Basic Multilingual Plane（基本多言語面） |
| Script | |
| Category | |
| Bidirectional Class | |
| Combining Class | |
| Character is Mirrored | |
| HTML Entity | ⦴ ⦴ |
| UTF-8 Encoding | ⦴ e2a6b4 |
| UTF-16 Encoding | ⦴ 29b4 |
| UTF-32 Encoding | ⦴ 000029b4 |