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

U+4E00 CJK Unified Ideo­graph-​4E00

U+4E00 was added to Unicode in version 1.1 (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 one; a, an; alone. 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. The glyph can, under circumstances, be confused with 1 other glyphs. In text U+4E00 behaves as Ideographic regarding line breaks. It has type Other Letter for sentence and Other for word breaks. The Grapheme Cluster Break is Any.

The Wikipedia has the following information about this codepoint:

Radical 1 or radical one (一部) meaning "one" is one of the 6 Kangxi radicals (214 radicals in total) composed of 1 stroke.

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

一 is also the 1st indexing component in the Table of Indexing Chinese Character Components predominantly adopted by Simplified Chinese dictionaries published in mainland China.


System Representation
UTF-8 E4 B8 80
UTF-16 4E 00
UTF-32 00 00 4E 00
URL-Quoted %E4%B8%80
HTML hex reference 一
Wrong windows-1252 Mojibake 一
Encoding: EUC-KR (hex bytes) EC E9
Encoding: JIS0208 (hex bytes) B0 EC

Related Characters



Complete Record

Property Value
Age 1.1 (1993)
Unicode 1 Name
Block CJK Unified Ideographs
General Category Other Letter
Script Han
Bidirectional Category Left To Right
Combining Class Not Reordered
Decomposition Type None
Decomposition Mapping Glyph for U+4E00 CJK Unified Ideograph-4E00
Simple Lowercase Mapping Glyph for U+4E00 CJK Unified Ideograph-4E00
Lowercase Mapping Glyph for U+4E00 CJK Unified Ideograph-4E00
Simple Uppercase Mapping Glyph for U+4E00 CJK Unified Ideograph-4E00
Uppercase Mapping Glyph for U+4E00 CJK Unified Ideograph-4E00
Simple Titlecase Mapping Glyph for U+4E00 CJK Unified Ideograph-4E00
Titlecase Mapping Glyph for U+4E00 CJK Unified Ideograph-4E00
Case Folding Glyph for U+4E00 CJK Unified Ideograph-4E00
ASCII Hex Digit
Bidi Control
Bidi Mirrored
Composition Exclusion
Case Ignorable
Changes When Casefolded
Changes When Casemapped
Changes When NFKC Casefolded
Changes When Lowercased
Changes When Titlecased
Changes When Uppercased
Full Composition Exclusion
Default Ignorable Code Point
Emoji Modifier Base
Emoji Component
Emoji Modifier
Emoji Presentation
Extended Pictographic
FC NFKC Closure Glyph for U+4E00 CJK Unified Ideograph-4E00
Grapheme Cluster Break Any
Grapheme Base
Grapheme Extend
Grapheme Link
Hex Digit
ID Continue
ID Start
IDS Binary Operator
IDS Trinary Operator and
Indic Mantra Category
Indic Positional Category NA
Indic Syllabic Category Other
Jamo Short Name
Join Control
Logical Order Exception
Noncharacter Code Point
NFC Quick Check Yes
NFD Quick Check Yes
NFKC Casefold Glyph for U+4E00 CJK Unified Ideograph-4E00
NFKC Quick Check Yes
NFKD Quick Check Yes
Other Alphabetic
Other Default Ignorable Code Point
Other Grapheme Extend
Other ID Continue
Other ID Start
Other Lowercase
Other Math
Other Uppercase
Prepended Concatenation Mark
Pattern Syntax
Pattern White Space
Quotation Mark
Regional Indicator
Sentence Break Other Letter
Soft Dotted
Sentence Terminal
Terminal Punctuation
Unified Ideograph
Variation Selector
Word Break Other
White Space
XID Continue
XID Start
Expands On NFC
Expands On NFD
Expands On NFKC
Expands On NFKD
Bidi Paired Bracket Glyph for U+4E00 CJK Unified Ideograph-4E00
Bidi Paired Bracket Type None
East Asian Width Wide
Hangul Syllable Type Not Applicable
ISO 10646 Comment
Joining Group No_Joining_Group
Joining Type Non Joining
Line Break Ideographic
Numeric Type Numeric
Numeric Value 1
Simple Case Folding Glyph for U+4E00 CJK Unified Ideograph-4E00
Script Extension
Vertical Orientation U
Big Five Mapping A440
CCCII Mapping 213021
CNS 11643-1986 Mapping 1-4421
CNS 11643-1992 Mapping 1-4421
Cangjie Input Code M
kCantonese jat1
kCihaiT 1.101
kCowles 5133
kDaeJaweon 0129.010
Unihan Definition one; a, an; alone
kEACC 213021
kFenn 1A
kFennIndex 216.01 217.06 218.01 220.06
kFourCornerCode 1000.0
kFrequency 1
kGB0 5027
kGB1 5027
kGSR 0394a
kGradeLevel 1
kHDZRadBreak ⼀[U+2F00]:10001.010
kHKGlyph 0001
kHanYu 10001.010
kHangul 일:0E
kHanyuPinlu yī(32747)
kHanyuPinyin 10001.010:yī
kIRGDaeJaweon 0129.010
kIRGDaiKanwaZiten 00001
kIRGHanyuDaZidian 10001.010
kIRGKangXi 0075.010
kIRG_GSource G0-523B
kIRG_HSource HB1-A440
kIRG_JSource J0-306C
kIRG_KPSource KP0-FCD6
kIRG_KSource K0-6C69
kIRG_TSource T1-4421
kIRG_VSource V1-4A21
kJapaneseOn ICHI ITSU
kJis0 1676
kJoyoKanji 2010
kKSC0 7673
kKangXi 0075.010
kKarlgren 175
kKorean IL
kKoreanEducationHanja 2007
kLau 3341
kMainlandTelegraph 0001
kMatthews 3016
kMeyerWempe 3837
kMorohashi 00001
kNelson 0001
kPhonetic 1499
Primary Numeric Value 1
Radical Stroke Count (Adobe Japan 1-6) C+1200+1.1.0
Radical Stroke Count (KangXi) 1.0
Radical Stroke Count (Unicode) 1.0
kSBGY 468.40
Semantic Variant Glyph for U+5F0C U+5F0CGlyph for U+58F9 U+58F9
Specialized Semantic Variant Glyph for U+58F9 U+58F9
kTGH 2013:1
kTGHZ2013 430.150:yī
Taiwanese Telegraph Code 0001
kTang *qit qit
Stroke Number 1
UnihanCore2020 Set GHJKMPT
Quốc ngữ Pronunciation nhất
kXHC1983 1351.020:yī 1360.040:yí 1368.160:yì
Xerox Code 241:042