U+4E01 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 male adult; robust, vigorous; 4th heavenly stem. Its Pīnyīn pronunciation is d.

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+4E01 behaves as Ideographic regarding line breaks. It has type OLetter for sentence and Other for word breaks. The Grapheme Cluster Break is Any.

The Wikipedia has the following information about this codepoint:

Radical 1 meaning "one" is 1 of 6 Kangxi radicals (214 radicals total) composed of 1 stroke.

In the Kangxi Dictionary there are 42 characters (out of 49,030) to be found under this radical.

Radical 1, in this case known as 橫 héng "horizontal", is one of the eight principles of the character 永 (永字八法 Yǒngzì Bāfǎ) which are the basis of Chinese calligraphy.


System Representation
UTF-8 E4 B8 81
UTF-16 4E 01
UTF-32 00 00 4E 01
URL-Quoted %E4%B8%81
HTML-Escape 丁
Wrong windows-1252 Mojibake 丁
Encoding: EUC-KR (hex bytes) EF CB
Encoding: JIS0208 (hex bytes) C3 FA
Pīnyīn d
IRG_GSource G0-3621
IRG_HSource HB1-
IRG_JSource J0-437A
IRG_KPSource KP0-E8B
IRG_KSource K0-6F4B
IRG_TSource T1-4423
IRG_VSource V1-4A2
BigFive A442
CCCII 213022
CNS1986 1-4423
CNS1992 1-4423
EACC 213022
GB0 2201
GB1 2201
Jis0 3590
KSC0 7943
MainlandTelegraph 0002
TaiwanTelegraph 0002
Xerox 250:132

Related Characters

  • ㆜


Complete Record

Property Value
Age (age) 1.1
Unicode Name (na) CJK UNIFIED IDEOGRAPH-4E01
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) 丁
Lowercase (Lower)
Simple Lowercase Mapping (slc) 丁
Lowercase Mapping (lc) 丁
Uppercase (Upper)
Simple Uppercase Mapping (suc) 丁
Uppercase Mapping (uc) 丁
Simple Titlecase Mapping (stc) 丁
Titlecase Mapping (tc) 丁
Case Folding (cf) 丁
ASCII Hex Digit (AHex)
Alphabetic (Alpha)
Bidi Control (Bidi_C)
Bidi Mirrored (Bidi_M)
Bidi Paired Bracket (bpb) 丁
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) 丁
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) G0-3621
kIRG_HSource (kIRG_HSource) HB1-
kIRG_JSource (kIRG_JSource) J0-437A
kIRG_KPSource (kIRG_KPSource) KP0-E8B
kIRG_KSource (kIRG_KSource) K0-6F4B
kIRG_TSource (kIRG_TSource) T1-4423
kIRG_VSource (kIRG_VSource) V1-4A2
kIRGDaeJaweon (kIRGDaeJaweon) 0135.010
kIRGDaiKanwaZiten (kIRGDaiKanwaZiten) 00002
kIRGHanyuDaZidian (kIRGHanyuDaZidian) 10002.050
kIRGKangXi (kIRGKangXi) 0075.030
kBigFive (kBigFive) A442
kCangjie (kCangjie) MN
kCantonese (kCantonese) ding1 zaang1 zang1
kCCCII (kCCCII) 213022
kCihaiT (kCihaiT) 6.301
kCNS1986 (kCNS1986) 1-4423
kCNS1992 (kCNS1992) 1-4423
kCowles (kCowles) 4168
kDaeJaweon (kDaeJaweon) 0135.010
Unihan Definition (kDefinition) male adult; robust, vigorous; 4th heavenly stem
kEACC (kEACC) 213022
kFenn (kFenn) 2C
kFennIndex (kFennIndex) 525.04
kFourCornerCode (kFourCornerCode) 1020.0
kFrequency (kFrequency) 4
kGB0 (kGB0) 2201
kGB1 (kGB1) 2201
kGradeLevel (kGradeLevel) 1
kGSR (kGSR) 0833a
kHangul (kHangul)
kHanYu (kHanYu) 10002.050
kHanyuPinlu (kHanyuPinlu) dīng(16)
kHanyuPinyin (kHanyuPinyin) 10002.050:dīng,zhēng
kHKGlyph (kHKGlyph) 0002
kJapaneseKun (kJapaneseKun) HINOTO ATARU YOBORO
kJapaneseOn (kJapaneseOn) TEI CHOU TOU
kJis0 (kJis0) 3590
kKangXi (kKangXi) 0075.030
kKorean (kKorean) CENG
kKPS0 (kKPS0) E8B9
kKSC0 (kKSC0) 7943
kMainlandTelegraph (kMainlandTelegraph) 0002
kMandarin (kMandarin) dīng
kMatthews (kMatthews) 6381
kMeyerWempe (kMeyerWempe) 3092
kMorohashi (kMorohashi) 00002
kNelson (kNelson) 0002
kPhonetic (kPhonetic) 1340
Radical Stroke Count (Adobe Japan 1-6) (kRSAdobe_Japan1_6) C+3000+1.1.1
Radical Stroke Count (KangXi) (kRSKangXi) 1.1
Radical Stroke Count (Unicode) (kRSUnicode) 1.1
kSBGY (kSBGY) 188.41 194.35
kTaiwanTelegraph (kTaiwanTelegraph) 0002
kTang (kTang) *deng deng
Stroke Number (kTotalStrokes) 2
kVietnamese (kVietnamese) đinh
kXerox (kXerox) 250:132
kXHC1983 (kXHC1983) 0252.010:dīng 1472.010:zhēng
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) 丁
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) 丁
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)