U+4E00 "一" CJK Unified Ideograph-# Unicode Character
Unicode Version 17.0
一
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.
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
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 |
| kIRGDaeJaweon | 0129.010 |
| 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 |
| 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 |