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wikipedia.org
https://en.wikipedia.org/wiki/3
3 - Wikipedia
3 (three) is a number, numeral and digit. It is the natural number following 2 and preceding 4, and is the smallest odd prime number and the only prime preceding a square number.
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newworldencyclopedia.org
https://www.newworldencyclopedia.org/entry/3_(numb…
3 (number) - New World Encyclopedia
Three is the first odd prime number, and the second smallest prime. It is both the first Fermat prime (2 2º + 1) and the first Mersenne prime (2² - 1), as well as the first lucky prime.
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britannica.com
https://www.britannica.com/science/the-number-thre…
The number three - Britannica
The number 3 is a very mystical and spiritual number featured in many folktales (three wishes, three guesses, three little pigs, three bears, three billy goats gruff).
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wiktionary.org
https://en.wiktionary.org/wiki/3
3 - Wiktionary, the free dictionary
A West Arabic numeral, ultimately from Indic numerals (compare Devanagari ३ (3)), from a cursive form of three lines to represent the number three. See 3 § Evolution of the Arabic digit for more.
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numbermatics.com
https://numbermatics.com/n/3/
Number 3 - Facts about the integer - Numbermatics
Your guide to the number 3, an odd number which is prime. Mathematical info, prime factorization, fun facts and numerical data for STEM, education and fun.
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thefreedictionary.com
https://www.thefreedictionary.com/3
3 - definition of 3 by The Free Dictionary
Noun 1. 3 - the cardinal number that is the sum of one and one and one tercet, ternary, ternion, terzetto, three, threesome, trey, triad, trine, trinity,...
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numberempire.com
https://www.numberempire.com/3
Properties of the number 3 - numberempire.com
Properties of the number 3: factors, prime check, fibonacci check, bell number check, binary, octal, hexadecimal representations and more.