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.

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.

Nov 28, 2025 · 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).

Dec 4, 2016 · The meaning of THREE is a number that is one more than 2. How to use three in a sentence.

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,...

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.

The number 3 is a natural number following 2 and preceding 4. It is an odd and prime number, often symbolically significant across different religions and cultures.

Properties of the number 3: factors, prime check, fibonacci check, bell number check, binary, octal, hexadecimal representations and more.

In Roman numerals, it is III. three gifts of the wise men (Magi) who visited Christ at his birth in the Gospel of Matthew.

3 is a number, numeral, and glyph. 3, three, or III may also refer to: BBC Three, a British television channel. "Tres" (song) (English: 'Three'), by Juanes from La Vida... Es un Ratico, 2008.