| Name: | CJK Unified Ideograph-221D9[1] |
| Unicode Version: | 3.1 (March 2001)[2] |
| Block: | CJK Unified Ideographs Extension B, U+20000 - U+2A6DF[3] |
| Plane: | Supplementary Ideographic Plane, U+20000 - U+2FFFF[3] |
| Script: | Han (Hanzi, Kanji, Hanja) (Hani) [4] |
| Category: | Other Letter (Lo) [1] |
| Bidirectional Class: | Left To Right (L) [1] |
| Combining Class: | Not Reordered (0) [1] |
| Character is Mirrored: | No [1] |
| HTML Entity: |
|
| UTF-8 Encoding: | 0xF0 0xA2 0x87 0x99 |
| UTF-16 Encoding: | 0xD848 0xDDD9 |
| UTF-32 Encoding: | 0x000221D9 |
| kHanYu | 20873.090 |
| kIRGHanyuDaZidian | 20873.090 |
| kIRGKangXi | 0343.120 |
| kHanyuPinyin | 20873.090:yì |
| kMandarin | yì |