U+54A1 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 side of mouth. Its Pīnyīn pronunciation is èr.

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+54A1 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 92 A1
UTF-16 54 A1
UTF-32 00 00 54 A1
URL-Quoted %E5%92%A1
HTML-Escape 咡
Wrong windows-1252 Mojibake 咡
Pīnyīn èr
IRG_GSource G3-357A
IRG_HSource HB2-
IRG_JSource J3-2E7E
IRG_KPSource KP1-39B
IRG_KSource K2-2671
IRG_TSource T2-293D
BigFive CDFB
CCCII 216F58
CNS1986 2-293D
CNS1992 2-293D
EACC 216F58
GB3 2190
JIS0213 1,14,94
Jis1 2112
TaiwanTelegraph 0740
Xerox 302:116


Complete Record

Property Value
Age (age) 1.1
Unicode Name (na) CJK UNIFIED IDEOGRAPH-54A1
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) 咡
Lowercase (Lower)
Simple Lowercase Mapping (slc) 咡
Lowercase Mapping (lc) 咡
Uppercase (Upper)
Simple Uppercase Mapping (suc) 咡
Uppercase Mapping (uc) 咡
Simple Titlecase Mapping (stc) 咡
Titlecase Mapping (tc) 咡
Case Folding (cf) 咡
ASCII Hex Digit (AHex)
Alphabetic (Alpha)
Bidi Control (Bidi_C)
Bidi Mirrored (Bidi_M)
Bidi Paired Bracket (bpb) 咡
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) 咡
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
kIRG_GSource (kIRG_GSource) G3-357A
kIRG_HSource (kIRG_HSource) HB2-
kIRG_JSource (kIRG_JSource) J3-2E7E
kIRG_KPSource (kIRG_KPSource) KP1-39B
kIRG_KSource (kIRG_KSource) K2-2671
kIRG_TSource (kIRG_TSource) T2-293D
kIRGDaeJaweon (kIRGDaeJaweon) 0405.230
kIRGDaiKanwaZiten (kIRGDaiKanwaZiten) 03528
kIRGHanyuDaZidian (kIRGHanyuDaZidian) 10612.040
kIRGKangXi (kIRGKangXi) 0186.010
kBigFive (kBigFive) CDFB
kCangjie (kCangjie) RSJ
kCantonese (kCantonese) ji6 mai1 mai4
kCCCII (kCCCII) 216F58
kCihaiT (kCihaiT) 269.404
kCNS1986 (kCNS1986) 2-293D
kCNS1992 (kCNS1992) 2-293D
kCowles (kCowles) 2600 2602
kDaeJaweon (kDaeJaweon) 0405.230
Unihan Definition (kDefinition) side of mouth
kEACC (kEACC) 216F58
kFourCornerCode (kFourCornerCode) 6104.0
kGB3 (kGB3) 2190
kGSR (kGSR) 0981g
kHanYu (kHanYu) 10612.040
kHanyuPinyin (kHanyuPinyin) 10612.040:èr,ér
kJapaneseKun (kJapaneseKun) KUCHIMOTO KUCHI
kJapaneseOn (kJapaneseOn) JI NI
kJIS0213 (kJIS0213) 1,14,94
kJis1 (kJis1) 2112
kKangXi (kKangXi) 0186.010
kKorean (kKorean) I
kKPS1 (kKPS1) 39BB
kMandarin (kMandarin) èr
kMeyerWempe (kMeyerWempe) 1761
kMorohashi (kMorohashi) 03528
kPhonetic (kPhonetic) 1546
Radical Stroke Count (Adobe Japan 1-6) (kRSAdobe_Japan1_6) C+14382+30.3.6 C+14382+128.6.3
Radical Stroke Count (KangXi) (kRSKangXi) 30.6
Radical Stroke Count (Unicode) (kRSUnicode) 30.6
kSBGY (kSBGY) 061.17 357.29
kTaiwanTelegraph (kTaiwanTelegraph) 0740
Stroke Number (kTotalStrokes) 9
kXerox (kXerox) 302:116
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) 咡
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) 咡
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)