Home U+4E00 to U+9FFF CJK Unified Ideographs
Glyph for U+5F00
Source: Noto CJK

U+5F00 CJK Unified Ideo­graph-​5F00

U+5F00 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 open; initiate, begin, start. Its Pīnyīn pronunciation is kāi.

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+5F00 offers a line break opportunity at its position, except in some numeric contexts.

Representations

System Representation
Nº 24320
UTF-8 E5 BC 80
UTF-16 5F 00
UTF-32 00 00 5F 00
URL-Quoted %E5%BC%80
HTML hex reference 开
Wrong windows-1252 Mojibake å¼€
Pīnyīn kāi

Elsewhere

Complete Record

Property Value
Age (age) 1.1 (1993)
Unicode Name (na) CJK UNIFIED IDEOGRAPH-5F00
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+5F00 CJK Unified Ideograph-5F00
Lowercase (Lower) ✘
Simple Lowercase Mapping (slc) Glyph for U+5F00 CJK Unified Ideograph-5F00
Lowercase Mapping (lc) Glyph for U+5F00 CJK Unified Ideograph-5F00
Uppercase (Upper) ✘
Simple Uppercase Mapping (suc) Glyph for U+5F00 CJK Unified Ideograph-5F00
Uppercase Mapping (uc) Glyph for U+5F00 CJK Unified Ideograph-5F00
Simple Titlecase Mapping (stc) Glyph for U+5F00 CJK Unified Ideograph-5F00
Titlecase Mapping (tc) Glyph for U+5F00 CJK Unified Ideograph-5F00
Case Folding (cf) Glyph for U+5F00 CJK Unified Ideograph-5F00
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+5F00 CJK Unified Ideograph-5F00
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+5F00 CJK Unified Ideograph-5F00
NFKC Quick Check (NFKC_QC) Yes
NFKC_SCF (NFKC_SCF) Glyph for U+5F00 CJK Unified Ideograph-5F00
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+5F00 CJK Unified Ideograph-5F00
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+5F00 CJK Unified Ideograph-5F00
Script Extension (scx)
Vertical Orientation (vo) U
CCCII Mapping (kCCCII) 275E53
Cangjie Input Code (kCangjie) MT
kCantonese (kCantonese) hoi1
Unihan Definition (kDefinition) open; initiate, begin, start
kEACC (kEACC) 275E53
kFenn (kFenn) 34K
kFennIndex (kFennIndex) 64.05
kFourCornerCode (kFourCornerCode) 1044
kFrequency (kFrequency) 2
kGB0 (kGB0) 3110
kHanYu (kHanYu) 10514.030
kHanyuPinlu (kHanyuPinlu) kāi(3483)
kIICore (kIICore) AG
kIRGHanyuDaZidian (kIRGHanyuDaZidian) 10514.030
kIRGKangXi (kIRGKangXi) 0353.101
kIRG_GSource (kIRG_GSource) G0-3F2A
kIRG_JSource (kIRG_JSource) J3-7431
kIRG_TSource (kIRG_TSource) T4-214D
kJIS0213 (kJIS0213) 1,84,17
kJapanese (kJapanese) カイ ひらく
kKangXi (kKangXi) 0353.101
kKarlgren (kKarlgren) 379
kMainlandTelegraph (kMainlandTelegraph) 7030
kMandarin (kMandarin) kāi
kMojiJoho (kMojiJoho) MJ011123
kPhonetic (kPhonetic) 103 488 617
Radical Stroke Count (Adobe Japan 1-6) (kRSAdobe_Japan1_6) C+16854+1.1.3 C+16854+55.3.1
Radical Stroke Count (Unicode) (kRSUnicode) 55.1
kSMSZD2003Index (kSMSZD2003Index) 3.10 205.05
Semantic Variant (kSemanticVariant) Glyph for U+5E75 U+5E75
Simplified Variant (kSimplifiedVariant) Glyph for U+5F00 CJK Unified Ideograph-5F00
kTGH (kTGH) 2013:76
kTGHZ2013 (kTGHZ2013) 191.080:kāi
Stroke Number (kTotalStrokes) 4
Traditional Variant (kTraditionalVariant) Glyph for U+5F00 CJK Unified Ideograph-5F00 Glyph for U+958B U+958B
UnihanCore2020 Set (kUnihanCore2020) G
kXHC1983 (kXHC1983) 0626.050:kāi