U+4E00 "一" CJK Unified Ideograph-# Unicode Character

Unicode Version 18.0

一
Source: Noto Sans CJK Source: Browser Default

U+4E00 "一" CJK Unified Ideograph-# is the ideographic representation of the number one, functioning as both a foundational numeral and a core semantic element in Chinese, Japanese, and Korean writing systems. Its simple horizontal stroke embodies concepts of unity, beginning, and singularity, appearing in countless compound characters and words across these languages. In Chinese philosophy, it often symbolizes the primordial state of existence, as seen in Daoist texts where it represents the origin of all things.

䷿ Previous U+4DFF Hexagram for Before Completion 丁 Next U+4E01 CJK Unified Ideograph-#

General Properties

Code Point
U+4E00
Version Added
1.1
Name
CJK Unified Ideograph-#
Block
CJK Unified Ideographs
General Category
Other Letter
Canonical Combining Class
Not Reordered
Bidirectional Class
Left To Right

Encodings

HTML Decimal Encoding
一
HTML Hex Encoding
一
UTF-8 Encoding
0xE4 0xB8 0x80
UTF-16 Encoding
0x4E00
UTF-32 Encoding
0x00004E00
C/C++/Java Escape
\u4e00

Unicode Properties

NFC Quick Check
Yes
NFD Quick Check
Yes
NFKC Quick Check
Yes
NFKD Quick Check
Yes
Numeric Type
Numeric
Numeric Value
1
Line Break
Ideographic
East Asian Width
Wide
Script
Han
Script Extensions
Han
Indic Syllabic Category
Other
ID Start
Yes
XID Start
Yes
ID Continue
Yes
XID Continue
Yes
Alphabetic
Yes
Vertical Orientation
Upright
Grapheme Base
Yes
Grapheme Cluster Break
Other
Word Break
Other
Sentence Break
OLetter
Ideographic
Yes
Unified Ideograph
Yes

Unihan Properties

kBigFive
A440
kCCCII
213021
kCNS1986
1-4421
kCNS1992
1-4421
kCangjie
M
kCantonese
jat1
kCihaiT
1.101
kCowles
5133
kDaeJaweon
0129.010
kDefinition
one; a, an; alone
kEACC
213021
kFanqie
於悉
kFenn
1A
kFennIndex
216.01 217.06 218.01 220.06
kFourCornerCode
1000.0
kGB0
5027
kGB1
5027
kGradeLevel
1
kGSR
0394a
kHangul
일:0E
kHanYu
10001.010
kHanyuPinlu
yī(32747)
kHanyuPinyin
10001.010:yī
kHDZRadBreak
⼀[U+2F00]:10001.010
kHKGlyph
0001
kIICore
AGTJHKMP
kIRGHanyuDaZidian
10001.010
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
kJapanese
イチ イツ ひと ひとつ
kJoyoKanji
2010
kKoreanEducationHanja
2007
kTGH
2013:1
kJapaneseKun
HITOTSU HITOTABI HAJIME
kJapaneseOn
ICHI ITSU
kJis0
1676
kKangXi
0075.010
kKarlgren
175
kKorean
IL
kLau
3341
kMainlandTelegraph
0001
kMandarin
yī
kMatthews
3016
kMeyerWempe
3837
kMojiJoho
MJ006294
kMorohashi
00001
kNelson
0001
kPhonetic
1499
kPrimaryNumeric
1
kRSAdobe_Japan1_6
C+1200+1.1.0
kRSUnicode
1.0
kSBGY
468.40
kSemanticVariant
U+5F0C<kLau,kMatthews,kMeyerWempe U+58F9<kLau,kMatthews,kMeyerWempe
kSMSZD2003Index
1.01
kSMSZD2003Readings
yī粵jat1
kSpecializedSemanticVariant
U+58F9
kTaiwanTelegraph
0001
kTang
*qit qit
kTGHZ2013
430.150:yī
kTotalStrokes
1
kUnihanCore2020
GHJKMPT
kVietnamese
nhất
kXerox
241:042
kXHC1983
1351.020:yī 1360.040:yí 1368.160:yì