| Nom (anglais): | CJK Unified Ideograph-56DB[1] |
| Valeur numérique: | 4[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 0x9B 0x9B |
| Encodage UTF-16: | 0x56DB |
| Encodage UTF-32: | 0x000056DB |
| kPrimaryNumeric | 4 |
| kCowles | 3770 |
| kDaeJaweon | 0439.210 |
| kFennIndex | 481.06 482.01 |
| kGSR | 0518a |
| kHanYu | 10710.160 |
| kIRGDaeJaweon | 0439.210 |
| kIRGDaiKanwaZiten | 04682 |
| kIRGHanyuDaZidian | 10710.160 |
| kIRGKangXi | 0216.220 |
| kKangXi | 0216.220 |
| kLau | 2716 |
| kMatthews | 5598 |
| kMeyerWempe | 2908 |
| kMorohashi | 04682 |
| kNelson | 1025 |
| kSBGY | 354.26 |
| kCantonese | sei3 si3 |
| kDefinition | four |
| kHangul | 사:0E |
| kHanyuPinlu | sì(2101) |
| kHanyuPinyin | 10710.160:sì |
| kJapaneseKun | YOTSU YOTABI |
| kJapaneseOn | SHI |
| kKorean | SA |
| kMandarin | sì |
| kTang | *sì |
| kVietnamese | tứ |
| kXHC1983 | 1089.020:sì |
| kSemanticVariant | U+8086 kLau |
| kSpecializedSemanticVariant | U+8086 kFenn |