| 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 | 忍 忍 |
| UTF-8 Encoding | 忍 f0afa29d |
| UTF-16 Encoding | 忍 d87edc9d |
| UTF-32 Encoding | 忍 0002f89d |