1 - Wiktionary, the free dictionary
...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....
https://en.wiktionary.org/wiki/1
1 times table with games at Timestables.co.uk
...Come and learn here the 1 times table with the 5-step plan. Improve with the speed test, 1 times table games, worksheets and get the diploma....
https://www.timestables.co.uk/1-times-table.html
1 (number) - Simple English Wikipedia, the free encyclopedia
...1 (number) ... Chinese hand sign 0:01 Pronunciation of the number 1. One (1) is the first natural number, followed by two, then followed by three. The Roman numeral for one is I. Babylonian number 1...
https://simple.wikipedia.org/wiki/1_(number)
Air Jordan 1 Low, Mid and High Trainers. Nike UK
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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....
https://www.newworldencyclopedia.org/entry/1_(number)
The number one - Britannica
...perfect number, a positive integer that is equal to the sum of its proper divisors. The smallest perfect number is 6, which is the sum of 1, 2, and 3. Other perfect numbers are 28, 496, and 8,128. The discovery of such numbers is lost in prehistory....
https://www.britannica.com/science/the-number-one
Number 1 - Facts about the integer - Numbermatics
...Your guide to the number 1, an odd number which is uniquely neither prime nor composite. Mathematical info, prime factorization, fun facts and numerical data for STEM, education and fun....
https://numbermatics.com/n/1/
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......
https://math.fandom.com/wiki/1_(number)
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)....
https://mathworld.wolfram.com/1.html
1 - definition of 1 by The Free Dictionary
...Noun 1. 1 - the smallest whole number or a numeral representing this number; "he has the one but will need a two and three to go with it"; "they had lunch......
https://www.thefreedictionary.com/1