U+5C01 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 letter, envelope; feudal. Its Pīnyīn pronunciation is f.

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+5C01 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 B0 81
UTF-16 5C 01
UTF-32 00 00 5C 01
URL-Quoted %E5%B0%81
HTML-Escape 封
Wrong windows-1252 Mojibake 封
Encoding: EUC-KR (hex bytes) DC E6
Encoding: JIS0208 (hex bytes) C9 F5
Pīnyīn f
IRG_GSource G0-3762
IRG_HSource HB1-
IRG_JSource J0-4975
IRG_KSource K0-5C66
IRG_TSource T1-506C
IRG_VSource V1-527
BigFive ABCA
CNS1986 1-506C
CNS1992 1-506C
GB0 2366
GB1 2366
Jis0 4185
KSC0 6070
MainlandTelegraph 1409
TaiwanTelegraph 1409
Xerox 246:057


Complete Record

Property Value
Age (age) 1.1
Unicode Name (na) CJK UNIFIED IDEOGRAPH-5C01
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) 封
Lowercase (Lower)
Simple Lowercase Mapping (slc) 封
Lowercase Mapping (lc) 封
Uppercase (Upper)
Simple Uppercase Mapping (suc) 封
Uppercase Mapping (uc) 封
Simple Titlecase Mapping (stc) 封
Titlecase Mapping (tc) 封
Case Folding (cf) 封
ASCII Hex Digit (AHex)
Alphabetic (Alpha)
Bidi Control (Bidi_C)
Bidi Mirrored (Bidi_M)
Bidi Paired Bracket (bpb) 封
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) 封
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) G0-3762
kIRG_HSource (kIRG_HSource) HB1-
kIRG_JSource (kIRG_JSource) J0-4975
kIRG_KPSource (kIRG_KPSource) KP0-DED
kIRG_KSource (kIRG_KSource) K0-5C66
kIRG_TSource (kIRG_TSource) T1-506C
kIRG_VSource (kIRG_VSource) V1-527
kIRGDaeJaweon (kIRGDaeJaweon) 0581.210
kIRGDaiKanwaZiten (kIRGDaiKanwaZiten) 07426
kIRGHanyuDaZidian (kIRGHanyuDaZidian) 10504.140
kIRGKangXi (kIRGKangXi) 0294.070
kBigFive (kBigFive) ABCA
kCangjie (kCangjie) GGDI
kCantonese (kCantonese) fung1
kCihaiT (kCihaiT) 432.404
kCNS1986 (kCNS1986) 1-506C
kCNS1992 (kCNS1992) 1-506C
kCowles (kCowles) 880
kDaeJaweon (kDaeJaweon) 0581.210
Unihan Definition (kDefinition) letter, envelope; feudal
kEACC (kEACC) 213B3C
kFenn (kFenn) 48A
kFennIndex (kFennIndex) 137.03
kFourCornerCode (kFourCornerCode) 4410.0
kFrequency (kFrequency) 3
kGB0 (kGB0) 2366
kGB1 (kGB1) 2366
kGradeLevel (kGradeLevel) 2
kGSR (kGSR) 1197i
kHangul (kHangul)
kHanYu (kHanYu) 10504.140
kHanyuPinlu (kHanyuPinlu) fēng(400)
kHanyuPinyin (kHanyuPinyin) 10504.140:fēng,biǎn
kHKGlyph (kHKGlyph) 1046
kJapaneseKun (kJapaneseKun) SAKAI TOJIRU PONDO
kJapaneseOn (kJapaneseOn) FUU HOU
kJis0 (kJis0) 4185
kKangXi (kKangXi) 0294.070
kKarlgren (kKarlgren) 30
kKorean (kKorean) PONG
kKPS0 (kKPS0) DED1
kKSC0 (kKSC0) 6070
kLau (kLau) 766
kMainlandTelegraph (kMainlandTelegraph) 1409
kMandarin (kMandarin) fēng
kMatthews (kMatthews) 1887
kMeyerWempe (kMeyerWempe) 596
kMorohashi (kMorohashi) 07426
kNelson (kNelson) 1349
kPhonetic (kPhonetic) 406 407
Radical Stroke Count (Adobe Japan 1-6) (kRSAdobe_Japan1_6) C+3559+41.3.6
Radical Stroke Count (KangXi) (kRSKangXi) 41.6
Radical Stroke Count (Unicode) (kRSUnicode) 41.6
kSBGY (kSBGY) 035.35 344.38
kTaiwanTelegraph (kTaiwanTelegraph) 1409
kTang (kTang) biong
Stroke Number (kTotalStrokes) 9
kVietnamese (kVietnamese) phong
kXerox (kXerox) 246:057
kXHC1983 (kXHC1983) 0325.030:fēng
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) 封
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) 封
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)