| Nom (anglais): | CJK Unified Ideograph-91E6[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: | 0xE9 0x87 0xA6 |
| Encodage UTF-16: | 0x91E6 |
| Encodage UTF-32: | 0x000091E6 |
| kCowles | 1934 |
| kDaeJaweon | 1800.030 |
| kFennIndex | 257.05 |
| kGSR | 0110f |
| kHanYu | 64171.090 |
| kIRGDaeJaweon | 1800.030 |
| kIRGDaiKanwaZiten | 40175 |
| kIRGHanyuDaZidian | 64171.090 |
| kIRGKangXi | 1296.160 |
| kKangXi | 1296.160 |
| kKarlgren | 419 |
| kMatthews | 3439 |
| kMeyerWempe | 1082c |
| kMorohashi | 40175 |
| kNelson | 4819 |
| kSBGY | 327.35 |
| kCantonese | kau3 |
| kDefinition | button; buckle, clasp; engrave |
| kHangul | 구:1N |
| kHanyuPinyin | 64171.090:kòu |
| kJapaneseKun | BOTAN |
| kJapaneseOn | KOU KU |
| kKorean | KWU |
| kMandarin | kòu |
| kXHC1983 | 0652.041:kòu |
| kSimplifiedVariant | U+2CB2A |