U+521D 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 beginning, initial, primary. Its Pīnyīn pronunciation is ch.

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+521D 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 88 9D
UTF-16 52 1D
UTF-32 00 00 52 1D
URL-Quoted %E5%88%9D
HTML-Escape 初
Wrong windows-1252 Mojibake 初
Encoding: EUC-KR (hex bytes) F4 F8
Encoding: JIS0208 (hex bytes) BD E9
Pīnyīn ch
IRG_GSource G0-3375
IRG_HSource HB1-
IRG_JSource J0-3D69
IRG_KSource K0-7478
IRG_TSource T1-4F4F
IRG_VSource V1-4C7
BigFive AAEC
CCCII 21574E
CNS1986 1-4F4F
CNS1992 1-4F4F
EACC 21574E
GB0 1985
GB1 1985
Jis0 2973
KSC0 8488
MainlandTelegraph 0443
TaiwanTelegraph 0443
Xerox 243:352

Related Characters

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Complete Record

Property Value
Age (age) 1.1
Unicode Name (na) CJK UNIFIED IDEOGRAPH-521D
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) 初
Lowercase (Lower)
Simple Lowercase Mapping (slc) 初
Lowercase Mapping (lc) 初
Uppercase (Upper)
Simple Uppercase Mapping (suc) 初
Uppercase Mapping (uc) 初
Simple Titlecase Mapping (stc) 初
Titlecase Mapping (tc) 初
Case Folding (cf) 初
ASCII Hex Digit (AHex)
Alphabetic (Alpha)
Bidi Control (Bidi_C)
Bidi Mirrored (Bidi_M)
Bidi Paired Bracket (bpb) 初
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) 初
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) AGT
kIRG_GSource (kIRG_GSource) G0-3375
kIRG_HSource (kIRG_HSource) HB1-
kIRG_JSource (kIRG_JSource) J0-3D69
kIRG_KPSource (kIRG_KPSource) KP0-EDE
kIRG_KSource (kIRG_KSource) K0-7478
kIRG_TSource (kIRG_TSource) T1-4F4F
kIRG_VSource (kIRG_VSource) V1-4C7
kIRGDaeJaweon (kIRGDaeJaweon) 0310.010
kIRGDaiKanwaZiten (kIRGDaiKanwaZiten) 01911
kIRGHanyuDaZidian (kIRGHanyuDaZidian) 10327.220
kIRGKangXi (kIRGKangXi) 0137.330
kBigFive (kBigFive) AAEC
kCangjie (kCangjie) LSH
kCantonese (kCantonese) co1
kCCCII (kCCCII) 21574E
kCihaiT (kCihaiT) 178.405
kCNS1986 (kCNS1986) 1-4F4F
kCNS1992 (kCNS1992) 1-4F4F
kCowles (kCowles) 572
kDaeJaweon (kDaeJaweon) 0310.010
Unihan Definition (kDefinition) beginning, initial, primary
kEACC (kEACC) 21574E
kFenn (kFenn) 219A
kFennIndex (kFennIndex) 97.02
kFourCornerCode (kFourCornerCode) 3722.0
kFrequency (kFrequency) 3
kGB0 (kGB0) 1985
kGB1 (kGB1) 1985
kGradeLevel (kGradeLevel) 2
kGSR (kGSR) 0087a
kHangul (kHangul)
kHanYu (kHanYu) 10327.220
kHanyuPinlu (kHanyuPinlu) chū(405)
kHanyuPinyin (kHanyuPinyin) 10327.220:chū
kHKGlyph (kHKGlyph) 3679
kJapaneseKun (kJapaneseKun) HAJIME HATSU UI
kJapaneseOn (kJapaneseOn) SHO SO
kJis0 (kJis0) 2973
kKangXi (kKangXi) 0137.330
kKorean (kKorean) CHO
kKPS0 (kKPS0) EDE0
kKSC0 (kKSC0) 8488
kLau (kLau) 351
kMainlandTelegraph (kMainlandTelegraph) 0443
kMandarin (kMandarin) chū
kMatthews (kMatthews) 1390
kMeyerWempe (kMeyerWempe) 326
kMorohashi (kMorohashi) 01911
kNelson (kNelson) 4215
kPhonetic (kPhonetic) 1353
Radical Stroke Count (Adobe Japan 1-6) (kRSAdobe_Japan1_6) C+2419+18.2.5 C+2419+145.5.2
Radical Stroke Count (KangXi) (kRSKangXi) 18.5
Radical Stroke Count (Unicode) (kRSUnicode) 18.5 145.2
kSBGY (kSBGY) 066.25
kTaiwanTelegraph (kTaiwanTelegraph) 0443
kTang (kTang) *chriu
Stroke Number (kTotalStrokes) 7
kVietnamese (kVietnamese)
kXerox (kXerox) 243:352
kXHC1983 (kXHC1983) 0154.020:chū
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) 初
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) 初
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)