Home U+4E00 to U+9FFF CJK Unified Ideographs
Glyph for U+54BF
Source: Noto CJK

U+54BF CJK Unified Ideo­graph-​54BF

U+54BF was added in Unicode version 1.1 in 1993. It belongs to the block U+4E00 to U+9FFF CJK Unified Ideographs in the U+0000 to U+FFFF Basic Multilingual Plane.

This character is a Other Letter and is mainly used in the Han script. The Unihan Database defines it as descriptive of creaking; laugh. Its Pīnyīn pronunciation is yī.

The glyph is not a composition. Its East Asian Width is wide. In bidirectional text it is written from left to right. When changing direction it is not mirrored. U+54BF offers a line break opportunity at its position, except in some numeric contexts.

Representations

System Representation
Nº 21695
UTF-8 E5 92 BF
UTF-16 54 BF
UTF-32 00 00 54 BF
URL-Quoted %E5%92%BF
HTML hex reference 咿
Wrong windows-1252 Mojibake å’¿
Pīnyīn yī

Elsewhere

Complete Record

Property Value
Age (age) 1.1 (1993)
Unicode Name (na) CJK UNIFIED IDEOGRAPH-54BF
Unicode 1 Name (na1) —
Block (blk) CJK Unified Ideographs
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) Glyph for U+54BF CJK Unified Ideograph-54BF
Lowercase (Lower) ✘
Simple Lowercase Mapping (slc) Glyph for U+54BF CJK Unified Ideograph-54BF
Lowercase Mapping (lc) Glyph for U+54BF CJK Unified Ideograph-54BF
Uppercase (Upper) ✘
Simple Uppercase Mapping (suc) Glyph for U+54BF CJK Unified Ideograph-54BF
Uppercase Mapping (uc) Glyph for U+54BF CJK Unified Ideograph-54BF
Simple Titlecase Mapping (stc) Glyph for U+54BF CJK Unified Ideograph-54BF
Titlecase Mapping (tc) Glyph for U+54BF CJK Unified Ideograph-54BF
Case Folding (cf) Glyph for U+54BF CJK Unified Ideograph-54BF
ASCII Hex Digit (AHex) ✘
Alphabetic (Alpha) ✔
Bidi Control (Bidi_C) ✘
Bidi Mirrored (Bidi_M) ✘
Composition Exclusion (CE) ✘
Case Ignorable (CI) ✘
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) ✘
Cased (Cased) ✘
Full Composition Exclusion (Comp_Ex) ✘
Default Ignorable Code Point (DI) ✘
Dash (Dash) ✘
Deprecated (Dep) ✘
Diacritic (Dia) ✘
Emoji Modifier Base (EBase) ✘
Emoji Component (EComp) ✘
Emoji Modifier (EMod) ✘
Emoji Presentation (EPres) ✘
Emoji (Emoji) ✘
Extender (Ext) ✘
Extended Pictographic (ExtPict) ✘
FC NFKC Closure (FC_NFKC) Glyph for U+54BF CJK Unified Ideograph-54BF
Grapheme Cluster Break (GCB) Any
Grapheme Base (Gr_Base) ✔
Grapheme Extend (Gr_Ext) ✘
Grapheme Link (Gr_Link) ✘
Hex Digit (Hex) ✘
Hyphen (Hyphen) ✘
ID Continue (IDC) ✔
ID Start (IDS) ✔
IDS Binary Operator (IDSB) ✘
IDS Trinary Operator and (IDST) ✘
IDSU (IDSU) 0
ID_Compat_Math_Continue (ID_Compat_Math_Continue) 0
ID_Compat_Math_Start (ID_Compat_Math_Start) 0
Ideographic (Ideo) ✔
InCB (InCB) None
Indic Mantra Category (InMC) —
Indic Positional Category (InPC) NA
Indic Syllabic Category (InSC) Other
Jamo Short Name (JSN) —
Join Control (Join_C) ✘
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) Glyph for U+54BF CJK Unified Ideograph-54BF
NFKC Quick Check (NFKC_QC) Yes
NFKC_SCF (NFKC_SCF) Glyph for U+54BF CJK Unified Ideograph-54BF
NFKD Quick Check (NFKD_QC) Yes
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) ✘
Prepended Concatenation Mark (PCM) ✘
Pattern Syntax (Pat_Syn) ✘
Pattern White Space (Pat_WS) ✘
Quotation Mark (QMark) ✘
Regional Indicator (RI) ✘
Radical (Radical) ✘
Sentence Break (SB) Other Letter
Soft Dotted (SD) ✘
Sentence Terminal (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) ✘
Bidi Paired Bracket (bpb) Glyph for U+54BF CJK Unified Ideograph-54BF
Bidi Paired Bracket Type (bpt) None
East Asian Width (ea) wide
Hangul Syllable Type (hst) Not Applicable
ISO 10646 Comment (isc) —
Joining Group (jg) No_Joining_Group
Joining Type (jt) Non Joining
Line Break (lb) Ideographic
Numeric Type (nt) none
Numeric Value (nv) not a number
Simple Case Folding (scf) Glyph for U+54BF CJK Unified Ideograph-54BF
Script Extension (scx)
Vertical Orientation (vo) U
Big Five Mapping (kBigFive) ABA9
CCCII Mapping (kCCCII) 216F71
CNS 11643-1986 Mapping (kCNS1986) 1-504B
CNS 11643-1992 Mapping (kCNS1992) 1-504B
Cangjie Input Code (kCangjie) ROSK
kCantonese (kCantonese) ji1
kCihaiT (kCihaiT) 272.606
kDaeJaweon (kDaeJaweon) 0407.100
Unihan Definition (kDefinition) descriptive of creaking; laugh
kEACC (kEACC) 216F71
kFourCornerCode (kFourCornerCode) 6700.0 6702.7
kFrequency (kFrequency) 5
kGB0 (kGB0) 6362
kGB1 (kGB1) 6362
kGSR (kGSR) 0604d
kHanYu (kHanYu) 10618.070
kHangul (kHangul) 이:1N
kHanyuPinyin (kHanyuPinyin) 10618.070:yī
kIICore (kIICore) AGT
kIRGDaeJaweon (kIRGDaeJaweon) 0407.100
kIRGHanyuDaZidian (kIRGHanyuDaZidian) 10618.070
kIRGKangXi (kIRGKangXi) 0188.100
kIRG_GSource (kIRG_GSource) G0-5F5E
kIRG_HSource (kIRG_HSource) HB1-ABA9
kIRG_JSource (kIRG_JSource) J14-2375
kIRG_KPSource (kIRG_KPSource) KP1-39BA
kIRG_KSource (kIRG_KSource) K1-6A4E
kIRG_TSource (kIRG_TSource) T1-504B
kIRG_VSource (kIRG_VSource) V2-8A68
kJIS0213 (kJIS0213) 2,03,85
kJapanese (kJapanese) イ
kJapaneseKun (kJapaneseKun) TSUKURIWARAI
kJapaneseOn (kJapaneseOn) I
kJis1 (kJis1) 2124
kKangXi (kKangXi) 0188.100
kKorean (kKorean) I
kKoreanName (kKoreanName) 2015
kMainlandTelegraph (kMainlandTelegraph) 0764
kMandarin (kMandarin) yī
kMatthews (kMatthews) 2937
kMeyerWempe (kMeyerWempe) 841c
kMojiJoho (kMojiJoho) MJ008250
kMorohashi (kMorohashi) 03579
kPhonetic (kPhonetic) 1532
Radical Stroke Count (Adobe Japan 1-6) (kRSAdobe_Japan1_6) C+14385+30.3.6
Radical Stroke Count (Unicode) (kRSUnicode) 30.6
kSBGY (kSBGY) 054.32
kSMSZD2003Index (kSMSZD2003Index) 101.04
kSMSZD2003Readings (kSMSZD2003Readings) yī粵ji1
Semantic Variant (kSemanticVariant) Glyph for U+541A U+541A
kTGH (kTGH) 2013:4220
kTGHZ2013 (kTGHZ2013) 431.030:yī
Taiwanese Telegraph Code (kTaiwanTelegraph) 0764
Stroke Number (kTotalStrokes) 9
UnihanCore2020 Set (kUnihanCore2020) GHMT
kXHC1983 (kXHC1983) 1360.010:yī
Xerox Code (kXerox) 277:245