U+5431 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 chirping, squeaking, hissing. Its Pīnyīn pronunciation is zhī.

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. In text U+5431 behaves as Ideographic regarding line breaks. It has type OLetter for sentence and Other for word breaks. The Grapheme Cluster Break is Any.


System Representation
UTF-8 E5 90 B1
UTF-16 54 31
UTF-32 00 00 54 31
URL-Quoted %E5%90%B1
HTML-Escape 吱
Wrong windows-1252 Mojibake 吱
Pīnyīn zhī
IRG_GSource G0-5628
IRG_HSource HB1-
IRG_JSource J1-346C
IRG_KSource K2-2649
IRG_TSource T1-4955
IRG_VSource V0-306
BigFive A773
CCCII 213555
CNS1986 1-4955
CNS1992 1-4955
EACC 213555
GB0 5408
GB1 5408
Jis1 2076
MainlandTelegraph 8123
TaiwanTelegraph 9732
Xerox 253:150


Complete Record

Property Value
Age (age) 1.1
Unicode Name (na) CJK UNIFIED IDEOGRAPH-5431
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) 吱
Lowercase (Lower)
Simple Lowercase Mapping (slc) 吱
Lowercase Mapping (lc) 吱
Uppercase (Upper)
Simple Uppercase Mapping (suc) 吱
Uppercase Mapping (uc) 吱
Simple Titlecase Mapping (stc) 吱
Titlecase Mapping (tc) 吱
Case Folding (cf) 吱
ASCII Hex Digit (AHex)
Alphabetic (Alpha)
Bidi Control (Bidi_C)
Bidi Mirrored (Bidi_M)
Bidi Paired Bracket (bpb) 吱
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) 吱
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) G0-5628
kIRG_HSource (kIRG_HSource) HB1-
kIRG_JSource (kIRG_JSource) J1-346C
kIRG_KSource (kIRG_KSource) K2-2649
kIRG_TSource (kIRG_TSource) T1-4955
kIRG_VSource (kIRG_VSource) V0-306
kIRGDaeJaweon (kIRGDaeJaweon) 0396.120
kIRGDaiKanwaZiten (kIRGDaiKanwaZiten) 03362
kIRGHanyuDaZidian (kIRGHanyuDaZidian) 10586.020
kIRGKangXi (kIRGKangXi) 0179.010
kBigFive (kBigFive) A773
kCangjie (kCangjie) RJE
kCantonese (kCantonese) zi1
kCCCII (kCCCII) 213555
kCihaiT (kCihaiT) 263.305
kCNS1986 (kCNS1986) 1-4955
kCNS1992 (kCNS1992) 1-4955
kCowles (kCowles) 209
kDaeJaweon (kDaeJaweon) 0396.120
Unihan Definition (kDefinition) chirping, squeaking, hissing
kEACC (kEACC) 213555
kFenn (kFenn) 539K
kFennIndex (kFennIndex) 66.10
kFourCornerCode (kFourCornerCode) 6404.7
kFrequency (kFrequency) 5
kGB0 (kGB0) 5408
kGB1 (kGB1) 5408
kGradeLevel (kGradeLevel) 2
kHanYu (kHanYu) 10586.020
kHanyuPinyin (kHanyuPinyin) 10586.020:zhī,zī,qì
kHKGlyph (kHKGlyph) 0519
kJapaneseKun (kJapaneseKun) KOENOSAMA
kJapaneseOn (kJapaneseOn) SHI KI
kJis1 (kJis1) 2076
kKangXi (kKangXi) 0179.010
kKorean (kKorean) CI
kLau (kLau) 1417
kMainlandTelegraph (kMainlandTelegraph) 8123
kMandarin (kMandarin) zhī
kMatthews (kMatthews) 6922
kMeyerWempe (kMeyerWempe) 232
kMorohashi (kMorohashi) 03362
kPhonetic (kPhonetic) 130
Radical Stroke Count (Adobe Japan 1-6) (kRSAdobe_Japan1_6) C+19222+30.3.4 C+19222+65.4.3
Radical Stroke Count (KangXi) (kRSKangXi) 30.4
Radical Stroke Count (Unicode) (kRSUnicode) 30.4
kSBGY (kSBGY) 348.35
kTaiwanTelegraph (kTaiwanTelegraph) 9732
Stroke Number (kTotalStrokes) 7
kVietnamese (kVietnamese) chê
kXerox (kXerox) 253:150
kXHC1983 (kXHC1983) 1480.020:zhī 1529.080:zī
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) 吱
NFKC Quick Check (NFKC_QC) Yes
NFKD Quick Check (NFKD_QC) Yes
Numeric Type (nt) None
Numeric Value (nv) NaN
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) 吱
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)