U+91E6 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 button; buckle, clasp; engrave. Its Pīnyīn pronunciation is kòu.

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+91E6 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 E9 87 A6
UTF-16 91 E6
UTF-32 00 00 91 E6
URL-Quoted %E9%87%A6
HTML-Escape 釦
Wrong windows-1252 Mojibake 釦
Encoding: JIS0208 (hex bytes) CB D5
Pīnyīn kòu
IRG_GSource GE-4133
IRG_HSource HB1-
IRG_JSource J0-4B55
IRG_KPSource KP1-7FC
IRG_KSource K1-5A6B
IRG_TSource T1-5D6B
BigFive B3A7
CCCII 215D44
CNS1986 1-5D6B
CNS1992 1-5D6B
EACC 215D44
Jis0 4353
KSC1 5875
TaiwanTelegraph 6863
Xerox 275:264


Complete Record

Property Value
Age (age) 1.1
Unicode Name (na) CJK UNIFIED IDEOGRAPH-91E6
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) 釦
Lowercase (Lower)
Simple Lowercase Mapping (slc) 釦
Lowercase Mapping (lc) 釦
Uppercase (Upper)
Simple Uppercase Mapping (suc) 釦
Uppercase Mapping (uc) 釦
Simple Titlecase Mapping (stc) 釦
Titlecase Mapping (tc) 釦
Case Folding (cf) 釦
ASCII Hex Digit (AHex)
Alphabetic (Alpha)
Bidi Control (Bidi_C)
Bidi Mirrored (Bidi_M)
Bidi Paired Bracket (bpb) 釦
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) 釦
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) ATH
kIRG_GSource (kIRG_GSource) GE-4133
kIRG_HSource (kIRG_HSource) HB1-
kIRG_JSource (kIRG_JSource) J0-4B55
kIRG_KPSource (kIRG_KPSource) KP1-7FC
kIRG_KSource (kIRG_KSource) K1-5A6B
kIRG_TSource (kIRG_TSource) T1-5D6B
kIRGDaeJaweon (kIRGDaeJaweon) 1800.030
kIRGDaiKanwaZiten (kIRGDaiKanwaZiten) 40175
kIRGHanyuDaZidian (kIRGHanyuDaZidian) 64171.090
kIRGKangXi (kIRGKangXi) 1296.160
kBigFive (kBigFive) B3A7
kCangjie (kCangjie) CR
kCantonese (kCantonese) kau3
kCCCII (kCCCII) 215D44
kCihaiT (kCihaiT) 1371.402
kCNS1986 (kCNS1986) 1-5D6B
kCNS1992 (kCNS1992) 1-5D6B
kCowles (kCowles) 1934
kDaeJaweon (kDaeJaweon) 1800.030
Unihan Definition (kDefinition) button; buckle, clasp; engrave
kEACC (kEACC) 215D44
kFenn (kFenn) 694E
kFennIndex (kFennIndex) 257.05
kFourCornerCode (kFourCornerCode) 8610.0
kGSR (kGSR) 0110f
kHangul (kHangul)
kHanYu (kHanYu) 64171.090
kHanyuPinyin (kHanyuPinyin) 64171.090:kòu
kHKGlyph (kHKGlyph) 4234
kJapaneseKun (kJapaneseKun) BOTAN
kJapaneseOn (kJapaneseOn) KOU KU
kJis0 (kJis0) 4353
kKangXi (kKangXi) 1296.160
kKarlgren (kKarlgren) 419
kKorean (kKorean) KWU
kKPS1 (kKPS1) 7FC8
kKSC1 (kKSC1) 5875
kMandarin (kMandarin) kòu
kMatthews (kMatthews) 3439
kMeyerWempe (kMeyerWempe) 1082c
kMorohashi (kMorohashi) 40175
kNelson (kNelson) 4819
kPhonetic (kPhonetic) 445
Radical Stroke Count (Adobe Japan 1-6) (kRSAdobe_Japan1_6) C+3715+30.3.8 C+3715+167.8.3
Radical Stroke Count (KangXi) (kRSKangXi) 167.3
Radical Stroke Count (Unicode) (kRSUnicode) 167.3
kSBGY (kSBGY) 327.35
kTaiwanTelegraph (kTaiwanTelegraph) 6863
Stroke Number (kTotalStrokes) 11
kXerox (kXerox) 275:264
kXHC1983 (kXHC1983) 0652.041:kòu
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) 釦
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) 釦
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)