U+566F 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 interjection; exclamation. Its Pīnyīn pronunciation is āi.

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+566F 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 99 AF
UTF-16 56 6F
UTF-32 00 00 56 6F
URL-Quoted %E5%99%AF
HTML-Escape 噯
Wrong windows-1252 Mojibake 噯
Pīnyīn āi
IRG_GSource G1-6048
IRG_HSource HB1-
IRG_JSource J3-2F37
IRG_KPSource KP1-3AE
IRG_KSource K1-6657
IRG_TSource T1-7045
IRG_VSource V1-502
BigFive BEBC
CCCII 21374B
CNS1986 1-7045
CNS1992 1-7045
EACC 21374B
GB1 6440
JIS0213 1,15,23
Jis1 2248
KSC1 7055
TaiwanTelegraph 0897
Xerox 267:267


Complete Record

Property Value
Age (age) 1.1
Unicode Name (na) CJK UNIFIED IDEOGRAPH-566F
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) 噯
Lowercase (Lower)
Simple Lowercase Mapping (slc) 噯
Lowercase Mapping (lc) 噯
Uppercase (Upper)
Simple Uppercase Mapping (suc) 噯
Uppercase Mapping (uc) 噯
Simple Titlecase Mapping (stc) 噯
Titlecase Mapping (tc) 噯
Case Folding (cf) 噯
ASCII Hex Digit (AHex)
Alphabetic (Alpha)
Bidi Control (Bidi_C)
Bidi Mirrored (Bidi_M)
Bidi Paired Bracket (bpb) 噯
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) 噯
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) G1-6048
kIRG_HSource (kIRG_HSource) HB1-
kIRG_JSource (kIRG_JSource) J3-2F37
kIRG_KPSource (kIRG_KPSource) KP1-3AE
kIRG_KSource (kIRG_KSource) K1-6657
kIRG_TSource (kIRG_TSource) T1-7045
kIRG_VSource (kIRG_VSource) V1-502
kIRGDaeJaweon (kIRGDaeJaweon) 0433.100
kIRGDaiKanwaZiten (kIRGDaiKanwaZiten) 04394
kIRGHanyuDaZidian (kIRGHanyuDaZidian) 10693.040
kIRGKangXi (kIRGKangXi) 0210.220
kBigFive (kBigFive) BEBC
kCangjie (kCangjie) RBBE
kCantonese (kCantonese) oi2
kCCCII (kCCCII) 21374B
kCihaiT (kCihaiT) 292.203
kCNS1986 (kCNS1986) 1-7045
kCNS1992 (kCNS1992) 1-7045
kCowles (kCowles) 3097
kDaeJaweon (kDaeJaweon) 0433.100
Unihan Definition (kDefinition) interjection; exclamation
kEACC (kEACC) 21374B
kFenn (kFenn) 411G
kFennIndex (kFennIndex) 1.11 2.05 2.07
kFourCornerCode (kFourCornerCode) 6204.7
kFrequency (kFrequency) 5
kGB1 (kGB1) 6440
kHangul (kHangul)
kHanYu (kHanYu) 10693.040
kHanyuPinyin (kHanyuPinyin) 10693.040:ǎi,ài,āi
kHKGlyph (kHKGlyph) 0694
kJapaneseKun (kJapaneseKun) IKI
kJapaneseOn (kJapaneseOn) AI GAI
kJIS0213 (kJIS0213) 1,15,23
kJis1 (kJis1) 2248
kKangXi (kKangXi) 0210.220
kKarlgren (kKarlgren) 3
kKorean (kKorean) AY
kKPS1 (kKPS1) 3AE4
kKSC1 (kKSC1) 7055
kMandarin (kMandarin) āi
kMatthews (kMatthews) 10
kMeyerWempe (kMeyerWempe) 2144
kMorohashi (kMorohashi) 04394
kNelson (kNelson) 1002
kPhonetic (kPhonetic) 994
Radical Stroke Count (Adobe Japan 1-6) (kRSAdobe_Japan1_6) C+14406+30.3.13
Radical Stroke Count (KangXi) (kRSKangXi) 30.13
Radical Stroke Count (Unicode) (kRSUnicode) 30.13
Simplified Variant (kSimplifiedVariant) 嗳
kTaiwanTelegraph (kTaiwanTelegraph) 0897
Stroke Number (kTotalStrokes) 16
kVietnamese (kVietnamese) áy
kXerox (kXerox) 267:267
kXHC1983 (kXHC1983) 0003.022:āi 0003.161:ǎi 0005.041:ài
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) 噯
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) 噯
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)