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1

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See also I, l, and Ӏ

Translingual

The number and digit 1

Alternative forms

 
  • Digital seven segment displays: The digit ‘1’ in a digital seven segment display.

Etymology

Nepali variation of Devanāgarī script १ (1), “‘éka’”), the source for Latin ‘1’

Tenth century “West Arabic” variation of the Nepali form of Hindu-Arabic numerals (compare Devanagari script  (1), éka)), possibly influenced by Roman numeral .

Symbol

1

  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.
    2010
    000100112
    0x1000E001
  3. (mathematics) the identity element with respect to multiplication in a ring.
    a×1 = a
  4. (Template loop detected: Template:context 1) bit state corresponding to binary digit 1, or on or true.
  5. (mathematics) A Boolean or truth value corresponding to true.
    f : Bk → B : B = {0, 1}

Derived terms

See also


English

Pronunciation

Symbol

1 (plural 1s)

  1. The cardinal number one, a single thing or unit.
    She only counted 1.
  2. numeral corresponding to the number one.
    Formula 1 racing car

Derived terms

  • (ordinal) 1st

Adjective

1 (not comparable)
  1. Of a single thing or unit; of cardinality one.
    A pint weighs 1 pound.

Elsewhere on the web

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