| Nom (anglais): | CJK Unified Ideograph-554A[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 0x95 0x8A |
| Encodage UTF-16: | 0x554A |
| Encodage UTF-32: | 0x0000554A |
| kCowles | 3094 |
| kDaeJaweon | 0416.050 |
| kFennIndex | 1.01 |
| kHanYu | 10634.180 |
| kIRGDaeJaweon | 0416.050 |
| kIRGDaiKanwaZiten | 03808 |
| kIRGHanyuDaZidian | 10634.180 |
| kIRGKangXi | 0195.040 |
| kKangXi | 0195.040 |
| kKarlgren | 1 |
| kLau | 2424 |
| kMatthews | 2 |
| kMeyerWempe | 2140 |
| kMorohashi | 03808 |
| kCantonese | aa1 aa2 aa3 aa4 |
| kDefinition | exclamatory particle |
| kHangul | 아:N |
| kHanyuPinlu | a(1102) ā(404) |
| kHanyuPinyin | 10634.180:è,ā,á,ǎ,à,a |
| kJapaneseKun | KOE |
| kJapaneseOn | A |
| kKorean | A |
| kMandarin | a |
| kVietnamese | à |
| kXHC1983 | 0002.010:ā 0002.050:á 0002.060:ǎ 0002.070:à 0002.080:a |
| kSpecializedSemanticVariant | U+963F kFenn |