| Name | DINGBAT NEGATIVE CIRCLED DIGIT FOUR INVERSE CIRCLED DIGIT FOUR |
| Unicode Version | 1.1 |
| Block（ブロック） | Dingbats（装飾記号） |
| Plane（面） | Basic Multilingual Plane（基本多言語面） |
| Script | |
| Category | |
| Bidirectional Class | |
| Combining Class | |
| Character is Mirrored | |
| HTML Entity | ❹ ❹ |
| UTF-8 Encoding | ❹ e29db9 |
| UTF-16 Encoding | ❹ 2779 |
| UTF-32 Encoding | ❹ 00002779 |