# 1

 1 U+0031, 1 DIGIT ONE
 ← 0[U+0030] Basic Latin 2 →[U+0032]

## Translingual

### Glyph origin

Tenth century “West Arabic” variation of the Nepali form of Hindu-Arabic numerals (compare Devanagari script (1, éka)), possibly influenced by Roman numeral , 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. The identity element with respect to multiplication in a ring.
a×1 = a
4. Bit state corresponding to binary digit 1, or on or true.
5. A Boolean or truth value corresponding to true.
f : Bk → B : B = {0, 1}
6. The one-point topological space, trivial ring, trivial group, a category with a single object or a (canonical) singleton.
7. 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 () 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.

#### Alternative forms

The following forms are equivalent as a decimal digit:

The following additional forms are equivalent as a cardinal number:

#### Derived terms

Other representations of 1:

 Signal flag (ICS and NATO): Semaphore: After showing "numeric"

## English

### Pronunciation

• enPR: wŭn, IPA(key): /wʌn/, IPA(key): /wan/
•  Audio (US) (file)
• Rhymes: -ʌn

### Symbol

1

1. 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. () Abbreviation of one-shot or one-shotted.

### Noun

1 (plural 1s)

1. Clipping of 180. (180° spin)

## Chinese

### Noun

1

1. one
2. () top

#### Synonyms

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

#### Related terms

• 0 (líng)
• 0.5 (língdiǎnwǔ)

1

1. .

## Swedish

### Symbol

1

1. (Should we delete(+) this sense?) The number one (1).
Synonyms: ett, en
2. 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)