| Name: | CJK Unified Ideograph-2A181[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 0xAA 0x86 0x81 |
| UTF-16 Encoding: | 0xD868 0xDD81 |
| UTF-32 Encoding: | 0x0002A181 |
| kHanYu | 74659.170 |
| kIRGHanyuDaZidian | 74659.170 |
| kIRGKangXi | 1501.120 |
| kSBGY | 048.10 |
| kHanyuPinyin | 74659.170:sī |
| kMandarin | sī |