1

See also: 1̂, !1, 1., l, ӏ, Ӏ, ı, I, 𐑑, ↿, and ①

Text style	Emoji style
1︎	1️
Text style is forced with ⟨︎⟩ and emoji style with ⟨️⟩.
1 U+0031, 1 DIGIT ONE ← 0 [U+0030] Basic Latin 2 → [U+0032]

Character variations

¹ U+00B9, ¹ SUPERSCRIPT ONE ← ¸ [U+00B8] Latin-1 Supplement º → [U+00BA]

₁ U+2081, ₁ SUBSCRIPT ONE ← ₀ [U+2080] Superscripts and Subscripts ₂ → [U+2082]

１ U+FF11, １ FULLWIDTH DIGIT ONE ← ０ [U+FF10] Halfwidth and Fullwidth Forms ２ → [U+FF12]

𝟏 U+1D7CF, 𝟏 MATHEMATICAL BOLD DIGIT ONE ← 𝟎 [U+1D7CE] Mathematical Alphanumeric Symbols 𝟐 → [U+1D7D0]

𝟙 U+1D7D9, 𝟙 MATHEMATICAL DOUBLE-STRUCK DIGIT ONE ← 𝟘 [U+1D7D8] Mathematical Alphanumeric Symbols 𝟚 → [U+1D7DA]

𝟣 U+1D7E3, 𝟣 MATHEMATICAL SANS-SERIF DIGIT ONE ← 𝟢 [U+1D7E2] Mathematical Alphanumeric Symbols 𝟤 → [U+1D7E4]

𝟭 U+1D7ED, 𝟭 MATHEMATICAL SANS-SERIF BOLD DIGIT ONE ← 𝟬 [U+1D7EC] Mathematical Alphanumeric Symbols 𝟮 → [U+1D7EE]

𝟷 U+1D7F7, 𝟷 MATHEMATICAL MONOSPACE DIGIT ONE ← 𝟶 [U+1D7F6] Mathematical Alphanumeric Symbols 𝟸 → [U+1D7F8]

① U+2460, ① CIRCLED DIGIT ONE [unassigned: U+244B–U+245F] ← ⑊ [U+244A] Enclosed Alphanumerics ② → [U+2461]

🯱 U+1FBF1, 🯱 SEGMENTED DIGIT ONE ← 🯰 [U+1FBF0] Symbols for Legacy Computing 🯲 → [U+1FBF2]

Translingual

Glyph origin

Tenth century “West Arabic” variation of the Nepali form of Hindu-Arabic numerals (compare Devanagari script १ (1, “éka”)), possibly influenced by Roman numeral Ⅰ, both ultimately from using a single stroke to represent the number one. See 1 § As a digit on WikipediaWikipedia for more.

Symbol

1 (previous 0, next 2)

1. The cardinal number one, a single thing or unit.
2. A digit in decimal and every other base numbering system, including binary, octal, and hexadecimal.

   15 × 134 = 2010

   0010 0011₂ (the number 35 in binary notation)

   0x1000E001 (the number 268492801 in hexadecimal notation)

3. (mathematics) The identity element with respect to multiplication in a ring.

   a×1 = a

4. (computer science) Bit state corresponding to binary digit 1, or on or true.
5. (mathematics) A Boolean or truth value corresponding to true.

   f : B^k → B : B = {0, 1}

6. (mathematics) The one-point topological space, trivial ring, trivial group, a category with a single object or a (canonical) singleton.
7. (mathematics, set theory) indicator function of a set.
8. (phonetics, often superscript) the pitch of a tone, either high or low depending on local convention; '1' is most commonly the highest or lowest pitch (but see 0)

   Synonyms: ˥, ˩

9. (phonetics, Sinosphere, often superscript) tone number 1, typically identified with dark level yin ping (陰平). May simply be level ping tone (平) if the yin–yang distinction is not made.

   Synonym: ꜀

10. (linguistics, superscript) accent 1 in Norwegian, Swedish and Limburgish.

    Norwegian/Swedish toneme 1 is sometimes transcribed with a simple primary stress mark, that is ˈ.

Gallery

• Letter styles
• 
  Lining digit 1.
• 
  Oldstyle 1 in Fraktur script.

Alternative forms

The following forms are equivalent as a decimal digit:

• Aegean numerals: 𐄇
• Arabic (Eastern) numerals: ١
• Arabic (Western) numerals: 1
• Assamese numerals: ১
• Balinese numerals: ᭑
• Bengali numerals: ১
• Brahmi numerals: 𑁧
• Chakma numerals: 𑄷
• Cham numerals: ꩑
• Devanagari numerals: १
• Dhives Akuru numerals: 𑥑
• Garay numerals: 𐵁
• Gujarati numerals: ૧
• Gurmukhi numerals: ੧
• Indic Siyaq numerals: 𞱱
• Hanifi Rohingya numerals: 𐴱
• Javanese numerals: ꧑
• Kaktovik numerals: 𝋁
• Kannada numerals: ೧
• Kawi numerals: 𑽑
• Kayah Li numerals: ꤁
• Khmer numerals: ១
• Khudawadi numerals: 𑋱
• Lanna numerals: (secular) ᪁, (religious) ᪑
• Lao numerals: ໑
• Lepcha numerals: ᱁
• Limbu numerals: ᥇
• Malayalam numerals: ൧
• Maya numerals: 𝋡
• Mende Kikakui numerals: 𞣇
• Meroitic cursive numerals: 𐧀
• Meitei numerals: ꯱
• Mongolian numerals: ᠑
• Myanmar numerals: ၁
• N'Ko numerals: ߁‎
• Ol Chiki numerals: ᱑
• Odia numerals: ୧
• Osmanya numerals: 𐒡
• Ottoman Siyaq numerals: 𞴁
• Pahawh Hmong numerals: 𖭑
• Persian numerals: ۱
• Saurashtra numerals: ꣑
• Sharada numerals: 𑇑
• Sinhalese numerals: ෧
• Sundanese numerals: ᮱
• Takri numerals: 𑛁
• Tamil numerals: ௧
• Telugu numerals: ౧
• Thai numerals: ๑
• Tibetan numerals: ༡
• Tirhuta numerals: 𑓑
• Warang Citi numerals: 𑣡

The following additional forms are equivalent as a cardinal number:

• Armenian numerals: Ա
• Brahmi numerals: 𑁒
• Chinese numerals: 壹, 一
• CJK tally marks: 𝍲
• Counting rod numerals: 𝍩
• Egyptian numerals: 𓏺
• Ethiopic numerals: ፩
• Gothic numerals: 𐌰
• Greek numerals: Α΄, α΄
• Hebrew numerals: א
• Old Persian numerals: 𐏑
• Roman numerals: I, i
• Sinhalese numerals: 𑇡
• Tally marks: 𝍷

Derived terms

Derived terms

• (select cardinal numbers containing ‘1’) 10, 11, 12, ..., 100, 101, 102, ..., 1000, ..., 10,000, 100,000, 1,000,000, ...
• (other select numbers containing ‘1’) -10, -1, -0.1, ..., 0.1, 0.01, 0.001, ...
• +1

See also

• 1 (number) in Wikipedia
• (Arabic digits): 0 1 2 3 4 5 6 7 8 9

Other representations of 1:

Morse code: ·–––– Braille: ⠁ ASL Manual: 1@Side-PalmBack

Signal flag (ICS and NATO):

Semaphore: After showing "numeric"

Letter

1

1. (nonstandard) Alternative form of Ӏ/ӏ (Cyrillic letter palochka)

English

Pronunciation

• enPR: wŭn, IPA^(key): /wʌn/, IPA^(key): /wan/

• Audio (US):

  (file)

• Rhymes: -ʌn

Symbol

1

1. (Internet slang, leetspeak, sarcastic) Deliberate misspelling of !, imitating someone who is too excited to consistently press the shift key while typing exclamation marks.

   Synonyms: one, eleven

   A: someone hlep me pls im always losing!!!1!

   B: Thats bcuz ur st00pid!!!!!11!!oneone!!1!!eleven!1

2. (rare, gaming) Abbreviation of one-shot or one-shotted.

Noun

1 (plural 1s)

1. (sports, skateboarding, snowboarding, skiing) Clipping of 180. (180° spin)

Translations

deliberate misspelling of !

• Hungarian: 4 (hu)

See also

• 1 Sussex Drive
• 5-over-1
• Cygnus X-1
• New Delhi metallo-beta-lactamase-1
• V-1
• Zone 1 Poblacio

 

Chinese

Pronunciation

• Mandarin

  (Pinyin): yī (yi¹)

  (Zhuyin): ㄧ

• Cantonese (Jyutping): jat¹

---

• Mandarin
  • (Standard Chinese)⁺
    • Hanyu Pinyin: yī
    • Zhuyin: ㄧ
    • Tongyong Pinyin: yi
    • Wade–Giles: i¹
    • Yale: yī
    • Gwoyeu Romatzyh: i
    • Palladius: и (i)
    • Sinological IPA ^(key): /i⁵⁵/
• Cantonese
  • (Standard Cantonese, Guangzhou–Hong Kong)⁺
    • Jyutping: jat¹
    • Yale: yāt
    • Cantonese Pinyin: jat⁷
    • Guangdong Romanization: yed¹
    • Sinological IPA ^(key): /jɐt̚⁵/

Noun

1

1. one
2. (gay slang) top

Synonyms

• (Hong Kong Cantonese) 1仔 (jat¹ zai²)

Derived terms

• 10

 

Related terms

• 0 (líng)
• 0.5 (língdiǎnwǔ)

German

Article

1

1. (text messaging) Abbreviation of ein.

Swedish

The Nordic pharmacy chain Apotek1.

Symbol

1

1. (Should we delete⁽⁺⁾ this sense?) The number one (1).

   Synonyms: ett, en

2. (Internet slang, leetspeak, sarcastic) Deliberate misspelling of !

Suffix

1

1. (nonstandard suffix) -et (“singular indefinite nominative; the”)

   Apotek1

   The Pharmacy

   Bud1

   The Courier

2. (nonstandard suffix) -et (“neuter singular”)

   Mog1 av dig.

   Very mature of you.

Derived terms

• mog1 (“mature”) (slang)