- 1 - Wikipedia
In mathematics, 1 is the multiplicative identity, meaning that any number multiplied by 1 equals the same number 1 is by convention not considered a prime number
- 1 - Wiktionary, the free dictionary
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
- 1 (number) - New World Encyclopedia
The glyph used today in the Western world to represent the number 1, a vertical line, often with a serif at the top and sometimes a short horizontal line at the bottom, traces its roots back to the Indians, who wrote 1 as a horizontal line, as is still the case in Chinese script
- I Can Show the Number 1 in Many Ways - YouTube
Learn the different ways number 1 can be represented See the number one on a number line, five frame, ten frame, numeral, word, dice, dominoes, tally mark, fingers and picture representations
- 1 Definition Meaning - Merriam-Webster
one 1 of 4 adjective ˈwən Synonyms of one 1 : being a single unit or thing one day at a time
- Number 1 - Facts about the integer - Numbermatics
What does the number 1 look like? As the unit number, one is not composed of any other numbers and has no internal structure 1 is an odd number which is uniquely neither prime nor composite It is known as the multiplicative identity or unit It’s also the only positive number with no other divisors
- 1 (number) | Math Wiki | Fandom
1 is the Hindu-Arabic numeral for the number one (the unit) It is the smallest positive integer, and smallest natural number 1 is the multiplicative identity, i e any number multiplied by 1 equals itself, for example: a ⋅ 1 = a {\displaystyle a \cdot 1=a} and 1 × a = a {\displaystyle 1\times
- 1 -- from Wolfram MathWorld
Although the number 1 used to be considered a prime number, it requires special treatment in so many definitions and applications involving primes greater than or equal to 2 that it is usually placed into a class of its own (Wells 1986, p 31)
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