| Nom (anglais): | CJK Unified Ideograph-57EF[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: | 0xE5 0x9F 0xAF |
| Encodage UTF-16: | 0x57EF |
| Encodage UTF-32: | 0x000057EF |
| kCowles | 1303 |
| kDaeJaweon | 0467.030 |
| kHanYu | 10452.020 |
| kIRGDaeJaweon | 0467.030 |
| kIRGDaiKanwaZiten | 05181 |
| kIRGHanyuDaZidian | 10452.020 |
| kIRGKangXi | 0230.420 |
| kKangXi | 0230.420 |
| kMeyerWempe | 872a |
| kMorohashi | 05181 |
| kSBGY | 333.17 336.25 |
| kCantonese | am2 jim2 |
| kDefinition | cover with earth; a pit; a hole |
| kHanyuPinyin | 10452.020:ǎn,yǎn |
| kJapaneseKun | ANA |
| kJapaneseOn | EN AN ON |
| kMandarin | ǎn |
| kXHC1983 | 0008.120:ǎn |
| kTraditionalVariant | U+57B5 |