| Name | |
| Unicode Version | 3.1 |
| Block（ブロック） | CJK Compatibility Ideographs Supplement（CJK互換漢字補助） |
| Plane（面） | Supplementary Ideographic Plane（基本多言語面） |
| Script | |
| Category | |
| Bidirectional Class | |
| Combining Class | |
| Character is Mirrored | |
| HTML Entity | 当 当 |
| UTF-8 Encoding | 当 f0afa1b4 |
| UTF-16 Encoding | 当 d87edc74 |
| UTF-32 Encoding | 当 0002f874 |