U+58F1 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 number one. Its Pīnyīn pronunciation is . The codepoint has the Numeric value 1.

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+58F1 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 A3 B1
UTF-16 58 F1
UTF-32 00 00 58 F1
URL-Quoted %E5%A3%B1
HTML-Escape 壱
Wrong windows-1252 Mojibake 壱
Encoding: JIS0208 (hex bytes) B0 ED
IRG_GSource GE-263C
IRG_JSource J0-306D
IRG_KSource K2-2B3C
IRG_TSource T3-2543
CNS1986 E-2543
CNS1992 3-2543
EACC 4B3021
Jis0 1677


Complete Record

Property Value
Age (age) 1.1
Unicode Name (na) CJK UNIFIED IDEOGRAPH-58F1
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) 壱
Lowercase (Lower)
Simple Lowercase Mapping (slc) 壱
Lowercase Mapping (lc) 壱
Uppercase (Upper)
Simple Uppercase Mapping (suc) 壱
Uppercase Mapping (uc) 壱
Simple Titlecase Mapping (stc) 壱
Titlecase Mapping (tc) 壱
Case Folding (cf) 壱
ASCII Hex Digit (AHex)
Alphabetic (Alpha)
Bidi Control (Bidi_C)
Bidi Mirrored (Bidi_M)
Bidi Paired Bracket (bpb) 壱
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) 壱
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) AJ
kIRG_GSource (kIRG_GSource) GE-263C
kIRG_JSource (kIRG_JSource) J0-306D
kIRG_KSource (kIRG_KSource) K2-2B3C
kIRG_TSource (kIRG_TSource) T3-2543
kIRGDaeJaweon (kIRGDaeJaweon) 0483.080
kIRGDaiKanwaZiten (kIRGDaiKanwaZiten) 05647
kIRGHanyuDaZidian (kIRGHanyuDaZidian) 10428.021
kIRGKangXi (kIRGKangXi) 0243.041
Accounting Numeric Value (kAccountingNumeric) 1
kCangjie (kCangjie) GBP
kCNS1986 (kCNS1986) E-2543
kCNS1992 (kCNS1992) 3-2543
kDaeJaweon (kDaeJaweon) 0483.080
Unihan Definition (kDefinition) number one
kEACC (kEACC) 4B3021
kFourCornerCode (kFourCornerCode) 4071.1
kHanYu (kHanYu) 10428.022
kJapaneseKun (kJapaneseKun) HITOTSU
kJapaneseOn (kJapaneseOn) ICHI ITSU
kJis0 (kJis0) 1677
kKangXi (kKangXi) 0243.041
kKorean (kKorean) IL
kMandarin (kMandarin)
kMorohashi (kMorohashi) 05647
kNelson (kNelson) 1059
Radical Stroke Count (Adobe Japan 1-6) (kRSAdobe_Japan1_6) C+1201+21.2.5 C+1201+33.3.4
Radical Stroke Count (KangXi) (kRSKangXi) 33.4
Radical Stroke Count (Unicode) (kRSUnicode) 33.4
Stroke Number (kTotalStrokes) 7
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) 壱
NFKC Quick Check (NFKC_QC) Yes
NFKD Quick Check (NFKD_QC) Yes
Numeric Type (nt) Numeric
Numeric Value (nv) 1
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) 壱
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)