Home CJK Unified Ideograph-542E U+4E00 to U+9FFF CJK Unified Ideographs CJK Unified Ideograph-5430

Source: Noto CJK

U+542F CJK Unified Ideograph-542F

U+542F 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; begin, commence; explain. Its Pīnyīn pronunciation is qǐ.

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+542F offers a line break opportunity at its position, except in some numeric contexts.

Representations

System	Representation
Nº	21551
UTF-8	E5 90 AF
UTF-16	54 2F
UTF-32	00 00 54 2F
URL-Quoted	%E5%90%AF
HTML hex reference	启
Wrong windows-1252 Mojibake	å¯
Pīnyīn	qǐ

Elsewhere

Complete Record

Property	Value
Age (age)	1.1 (1993)
Unicode Name (na)	CJK UNIFIED IDEOGRAPH-542F
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)	CJK Unified Ideograph-542F
Lowercase (Lower)	✘
Simple Lowercase Mapping (slc)	CJK Unified Ideograph-542F
Lowercase Mapping (lc)	CJK Unified Ideograph-542F
Uppercase (Upper)	✘
Simple Uppercase Mapping (suc)	CJK Unified Ideograph-542F
Uppercase Mapping (uc)	CJK Unified Ideograph-542F
Simple Titlecase Mapping (stc)	CJK Unified Ideograph-542F
Titlecase Mapping (tc)	CJK Unified Ideograph-542F
Case Folding (cf)	CJK Unified Ideograph-542F
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)	CJK Unified Ideograph-542F
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)	CJK Unified Ideograph-542F
NFKC Quick Check (NFKC_QC)	Yes
NFKC_SCF (NFKC_SCF)	CJK Unified Ideograph-542F
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)	CJK Unified Ideograph-542F
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)	CJK Unified Ideograph-542F
Script Extension (scx)
Vertical Orientation (vo)	U
CCCII Mapping (kCCCII)	216E6B
CNS 11643-1986 Mapping (kCNS1986)	E-2524
CNS 11643-1992 Mapping (kCNS1992)	3-2524
Cangjie Input Code (kCangjie)	ISR
kCantonese (kCantonese)	kai2
kCihaiT (kCihaiT)	263.302
kDaeJaweon (kDaeJaweon)	0396.070
Unihan Definition (kDefinition)	open; begin, commence; explain
kEACC (kEACC)	3F424F
kFourCornerCode (kFourCornerCode)	3026
kGB0 (kGB0)	3884
kGSR (kGSR)	0588a
kHanYu (kHanYu)	10594.100
kHanyuPinlu (kHanyuPinlu)	qǐ(60)
kHanyuPinyin (kHanyuPinyin)	10594.100:qǐ
kIICore (kIICore)	AG
kIRGDaeJaweon (kIRGDaeJaweon)	0396.070
kIRGHanyuDaZidian (kIRGHanyuDaZidian)	10594.100
kIRGKangXi (kIRGKangXi)	0178.210
kIRG_GSource (kIRG_GSource)	G0-4674
kIRG_HSource (kIRG_HSource)	H-FB44
kIRG_JSource (kIRG_JSource)	J1-346B
kIRG_KPSource (kIRG_KPSource)	KP1-3948
kIRG_KSource (kIRG_KSource)	K2-2647
kIRG_TSource (kIRG_TSource)	T3-2524
kJapanese (kJapanese)	ケイ
kJapaneseKun (kJapaneseKun)	HIRAKU
kJapaneseOn (kJapaneseOn)	KEI
kJis1 (kJis1)	2075
kKangXi (kKangXi)	0178.210
kKarlgren (kKarlgren)	336
kKorean (kKorean)	KYEY
kMainlandTelegraph (kMainlandTelegraph)	0796
kMandarin (kMandarin)	qǐ
kMojiJoho (kMojiJoho)	MJ008104
kMorohashi (kMorohashi)	03357
kPhonetic (kPhonetic)	563
Radical Stroke Count (Adobe Japan 1-6) (kRSAdobe_Japan1_6)	C+21253+30.3.4 C+21253+63.4.3
Radical Stroke Count (Unicode) (kRSUnicode)	30.4
kSBGY (kSBGY)	269.50
kSMSZD2003Index (kSMSZD2003Index)	237.11
kTGH (kTGH)	2013:886
kTGHZ2013 (kTGHZ2013)	293.040:qǐ
Stroke Number (kTotalStrokes)	7
Traditional Variant (kTraditionalVariant)	U+5553 U+555F
UnihanCore2020 Set (kUnihanCore2020)	GH
kXHC1983 (kXHC1983)	0898.130:qǐ