U+56DB was added to Unicode in version 1.1 (1993). It belongs to the block CJK Unified Ideographs in the Basic Multilingual Plane.

This character is a Other Letter and is mainly used in the Han script. The Unihan Database defines it as four. Its Pīnyīn pronunciation is s. The codepoint has the Numeric value 4.

The glyph is not a composition. It has a Wide East Asian Width. In bidirectional context it acts as Left To Right and is not mirrored. The glyph can, under circumstances, be confused with 1 other glyphs. In text U+56DB behaves as Ideographic regarding line breaks. It has type OLetter for sentence and Other for word breaks. The Grapheme Cluster Break is Any.

The Wikipedia has the following information about this codepoint:

4 (four; /ˈfɔər/) is a number, numeral, and glyph. It is the natural number following 3 and preceding 5. Four is the only number that has the same number of characters as its value in the English language.


System Representation
UTF-8 E5 9B 9B
UTF-16 56 DB
UTF-32 00 00 56 DB
URL-Quoted %E5%9B%9B
HTML-Escape 四
Wrong windows-1252 Mojibake 四
Encoding: EUC-KR (hex bytes) DE CC
Encoding: JIS0208 (hex bytes) BB CD
Pīnyīn s
IRG_GSource G0-4B44
IRG_HSource HB1-
IRG_JSource J0-3B4D
IRG_KPSource KP0-E0D
IRG_KSource K0-5E4C
IRG_TSource T1-463E
IRG_VSource V1-503
BigFive A57C
CCCII 213765
CNS1986 1-463E
CNS1992 1-463E
EACC 213765
GB0 4336
GB1 4336
Jis0 2745
KSC0 6244
MainlandTelegraph 0934
TaiwanTelegraph 0934
Xerox 241:136

Related Characters

  • ㆕
  • ㈣
  • ㊃


  • ㈣


Complete Record

Property Value
Age (age) 1.1
Unicode 1 Name (na1)
Block (blk) CJK
General Category (gc) Other Letter
Script (sc) Han
Bidirectional Category (bc) Left To Right
Combining Class (ccc) Not Reordered
Decomposition Type (dt) None
Decomposition Mapping (dm) 四
Lowercase (Lower)
Simple Lowercase Mapping (slc) 四
Lowercase Mapping (lc) 四
Uppercase (Upper)
Simple Uppercase Mapping (suc) 四
Uppercase Mapping (uc) 四
Simple Titlecase Mapping (stc) 四
Titlecase Mapping (tc) 四
Case Folding (cf) 四
ASCII Hex Digit (AHex)
Alphabetic (Alpha)
Bidi Control (Bidi_C)
Bidi Mirrored (Bidi_M)
Bidi Paired Bracket (bpb) 四
Bidi Paired Bracket Type (bpt) None
Cased (Cased)
Composition Exclusion (CE)
Case Ignorable (CI)
Full Composition Exclusion (Comp_Ex)
Changes When Casefolded (CWCF)
Changes When Casemapped (CWCM)
Changes When NFKC Casefolded (CWKCF)
Changes When Lowercased (CWL)
Changes When Titlecased (CWT)
Changes When Uppercased (CWU)
Dash (Dash)
Deprecated (Dep)
Default Ignorable Code Point (DI)
Diacritic (Dia)
East Asian Width (ea) Wide
Extender (Ext)
FC NFKC Closure (FC_NFKC) 四
Grapheme Cluster Break (GCB) Any
Grapheme Base (Gr_Base)
Grapheme Extend (Gr_Ext)
Hex Digit (Hex)
Hangul Syllable Type (hst) Not Applicable
Hyphen (Hyphen)
ID Continue (IDC)
Ideographic (Ideo)
ID Start (IDS)
IDS Binary Operator (IDSB)
IDS Trinary Operator and (IDST)
Indic Positional Category (InPC) NA
Indic Syllabic Category (InSC) Other
ISO 10646 Comment (isc)
Joining Group (jg) No_Joining_Group
Join Control (Join_C)
Jamo Short Name (JSN)
Joining Type (jt) Non Joining
kIICore (kIICore) AGT
kIRG_GSource (kIRG_GSource) G0-4B44
kIRG_HSource (kIRG_HSource) HB1-
kIRG_JSource (kIRG_JSource) J0-3B4D
kIRG_KPSource (kIRG_KPSource) KP0-E0D
kIRG_KSource (kIRG_KSource) K0-5E4C
kIRG_TSource (kIRG_TSource) T1-463E
kIRG_VSource (kIRG_VSource) V1-503
kIRGDaeJaweon (kIRGDaeJaweon) 0439.210
kIRGDaiKanwaZiten (kIRGDaiKanwaZiten) 04682
kIRGHanyuDaZidian (kIRGHanyuDaZidian) 10710.160
kIRGKangXi (kIRGKangXi) 0216.220
kBigFive (kBigFive) A57C
kCangjie (kCangjie) WC
kCantonese (kCantonese) sei3 si3
kCCCII (kCCCII) 213765
kCihaiT (kCihaiT) 294.601
kCNS1986 (kCNS1986) 1-463E
kCNS1992 (kCNS1992) 1-463E
kCowles (kCowles) 3770
kDaeJaweon (kDaeJaweon) 0439.210
Unihan Definition (kDefinition) four
kEACC (kEACC) 213765
kFenn (kFenn) 773A
kFennIndex (kFennIndex) 481.06 482.01
kFourCornerCode (kFourCornerCode) 6021.0
kFrequency (kFrequency) 2
kGB0 (kGB0) 4336
kGB1 (kGB1) 4336
kGradeLevel (kGradeLevel) 1
kGSR (kGSR) 0518a
kHangul (kHangul)
kHanYu (kHanYu) 10710.160
kHanyuPinlu (kHanyuPinlu) sì(2101)
kHanyuPinyin (kHanyuPinyin) 10710.160:sì
kHKGlyph (kHKGlyph) 0718
kJapaneseKun (kJapaneseKun) YOTSU YOTABI
kJapaneseOn (kJapaneseOn) SHI
kJis0 (kJis0) 2745
kKangXi (kKangXi) 0216.220
kKorean (kKorean) SA
kKPS0 (kKPS0) E0D1
kKSC0 (kKSC0) 6244
kLau (kLau) 2716
kMainlandTelegraph (kMainlandTelegraph) 0934
kMandarin (kMandarin)
kMatthews (kMatthews) 5598
kMeyerWempe (kMeyerWempe) 2908
kMorohashi (kMorohashi) 04682
kNelson (kNelson) 1025
kPhonetic (kPhonetic) 1156
Primary Numeric Value (kPrimaryNumeric) 4
Radical Stroke Count (Adobe Japan 1-6) (kRSAdobe_Japan1_6) C+2203+10.2.3 C+2203+31.3.2
Radical Stroke Count (KangXi) (kRSKangXi) 31.2
Radical Stroke Count (Unicode) (kRSUnicode) 31.2
kSBGY (kSBGY) 354.26
Semantic Variant (kSemanticVariant) 肆
Specialized Semantic Variant (kSpecializedSemanticVariant) 肆
kTaiwanTelegraph (kTaiwanTelegraph) 0934
kTang (kTang) *sì
Stroke Number (kTotalStrokes) 5
kVietnamese (kVietnamese) tứ
kXerox (kXerox) 241:136
kXHC1983 (kXHC1983) 1089.020:sì
Line Break (lb) Ideographic
Logical Order Exception (LOE)
Math (Math)
Noncharacter Code Point (NChar)
NFC Quick Check (NFC_QC) Yes
NFD Quick Check (NFD_QC) Yes
NFKC Casefold (NFKC_CF) 四
NFKC Quick Check (NFKC_QC) Yes
NFKD Quick Check (NFKD_QC) Yes
Numeric Type (nt) Numeric
Numeric Value (nv) 4
Other Alphabetic (OAlpha)
Other Default Ignorable Code Point (ODI)
Other Grapheme Extend (OGr_Ext)
Other ID Continue (OIDC)
Other ID Start (OIDS)
Other Lowercase (OLower)
Other Math (OMath)
Other Uppercase (OUpper)
Pattern Syntax (Pat_Syn)
Pattern White Space (Pat_WS)
Quotation Mark (QMark)
Radical (Radical)
Sentence Break (SB) OLetter
Simple Case Folding (scf) 四
Script Extension (scx) Han
Soft Dotted (SD)
STerm (STerm)
Terminal Punctuation (Term)
Unified Ideograph (UIdeo)
Variation Selector (VS)
Word Break (WB) Other
White Space (WSpace)
XID Continue (XIDC)
XID Start (XIDS)
Expands On NFC (XO_NFC)
Expands On NFD (XO_NFD)
Expands On NFKC (XO_NFKC)
Expands On NFKD (XO_NFKD)