Home U+3400 to U+4DBF CJK Unified Ideographs Extension A
Glyph for U+4057
Source: Noto CJK

U+4057 CJK Unified Ideo­graph-​4057

U+4057 was added in Unicode version 3.0 in 1999. It belongs to the block U+3400 to U+4DBF CJK Unified Ideographs Extension A 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 light; bright; brilliant, clear, to shine upon; to light or illumine. Its Pīnyīn pronunciation is kǎi.

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+4057 offers a line break opportunity at its position, except in some numeric contexts.

Representations

System Representation
Nº 16471
UTF-8 E4 81 97
UTF-16 40 57
UTF-32 00 00 40 57
URL-Quoted %E4%81%97
HTML hex reference 䁗
Wrong windows-1252 Mojibake 䁗
Encoding: BIG5HKSCS (hex bytes) 92 57
Encoding: GB18030 (hex bytes) 82 32 AF 33
Pīnyīn kǎi

Elsewhere

Complete Record

Property Value
Age (age) 3.0 (1999)
Unicode Name (na) CJK UNIFIED IDEOGRAPH-4057
Unicode 1 Name (na1) —
Block (blk) CJK Unified Ideographs Extension A
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+4057 CJK Unified Ideograph-4057
Lowercase (Lower) ✘
Simple Lowercase Mapping (slc) Glyph for U+4057 CJK Unified Ideograph-4057
Lowercase Mapping (lc) Glyph for U+4057 CJK Unified Ideograph-4057
Uppercase (Upper) ✘
Simple Uppercase Mapping (suc) Glyph for U+4057 CJK Unified Ideograph-4057
Uppercase Mapping (uc) Glyph for U+4057 CJK Unified Ideograph-4057
Simple Titlecase Mapping (stc) Glyph for U+4057 CJK Unified Ideograph-4057
Titlecase Mapping (tc) Glyph for U+4057 CJK Unified Ideograph-4057
Case Folding (cf) Glyph for U+4057 CJK Unified Ideograph-4057
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+4057 CJK Unified Ideograph-4057
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) ✘
Modifier Combining Mark (MCM) ✘
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+4057 CJK Unified Ideograph-4057
NFKC Quick Check (NFKC_QC) Yes
NFKC_SCF (NFKC_SCF) Glyph for U+4057 CJK Unified Ideograph-4057
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+4057 CJK Unified Ideograph-4057
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+4057 CJK Unified Ideograph-4057
Script Extension (scx)
Vertical Orientation (vo) U
Cangjie Input Code (kCangjie) BUUMT
kCantonese (kCantonese) hoi2
Unihan Definition (kDefinition) light; bright; brilliant, clear, to shine upon; to light or illumine
kHanYu (kHanYu) 42506.120
kHanyuPinyin (kHanyuPinyin) 42506.120:kǎi
kIRGHanyuDaZidian (kIRGHanyuDaZidian) 42506.120
kIRGKangXi (kIRGKangXi) 0813.190
kIRG_GSource (kIRG_GSource) G5-5931
kIRG_HSource (kIRG_HSource) H-9257
kIRG_JSource (kIRG_JSource) JMJ-002873
kIRG_KPSource (kIRG_KPSource) KP1-5EA7
kIRG_KSource (kIRG_KSource) K3-2C6B
kIRG_TSource (kIRG_TSource) T3-4D45
kJapanese (kJapanese) カイ
kKangXi (kKangXi) 0813.190
kMandarin (kMandarin) kǎi
kMojiJoho (kMojiJoho) MJ002873
kMorohashi (kMorohashi) 23559
Radical Stroke Count (Unicode) (kRSUnicode) 109.10
Stroke Number (kTotalStrokes) 15
UnihanCore2020 Set (kUnihanCore2020) H