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
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
3 - definition of 3 by The Free Dictionary Define 3 3 synonyms, 3 pronunciation, 3 translation, English dictionary definition of 3 Noun 1 3 - the cardinal number that is the sum of one and one and one
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
3 -- from Wolfram MathWorld 3 is the only integer which is the sum of the preceding positive integers (1+2=3) and the only number which is the sum of the factorials of the preceding positive integers (1!+2!=3)
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