| Nom (anglais): | CJK Unified Ideograph-81A9[1] |
| Version Unicode: | 1.1 (juin 1993)[2] |
| Bloc: | Idéogrammes unifiés CJC, U+4E00 - U+9FFF[3] |
| Plan: | Plan multilingue de base, U+0000 - U+FFFF[3] |
| Écriture: | idéogrammes han (sinogrammes) (Hani) [4] |
| Catégorie: | Lettre, autre (Lo) [1] |
| Classe bidirectionelle: | Gauche-à-droite (L) [1] |
| Classe de liaison: | Non réordonné (0) [1] |
| Caractère miroir: | Non [1] |
| Entité HTML: |
|
| Encodage UTF-8: | 0xE8 0x86 0xA9 |
| Encodage UTF-16: | 0x81A9 |
| Encodage UTF-32: | 0x000081A9 |
| kCowles | 2877 |
| kDaeJaweon | 1445.200 |
| kFennIndex | 361.02 |
| kGSR | 0564j |
| kHanYu | 32110.010 |
| kIRGDaeJaweon | 1445.200 |
| kIRGDaiKanwaZiten | 29862 |
| kIRGHanyuDaZidian | 32110.010 |
| kIRGKangXi | 0994.050 |
| kKangXi | 0994.050 |
| kKarlgren | 9 |
| kLau | 2286 |
| kMatthews | 4673 |
| kMeyerWempe | 1982 |
| kMorohashi | 29862 |
| kSBGY | 352.45 |
| kCantonese | nau6 nei6 |
| kDefinition | greasy, oily, dirty; smooth |
| kHangul | 니:1N |
| kHanyuPinyin | 32110.010:nì |
| kJapaneseKun | ABURA ABURAAKA |
| kJapaneseOn | JI NI |
| kKorean | NI |
| kMandarin | nì |
| kTang | nì |
| kSimplifiedVariant | U+817B |