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 - the cardinal number that is the sum of one and one and one tercet, ternary, ternion, terzetto, three, threesome, trey, triad, trine, trinity, The meaning of three is a number that is one more than 2. How to use three in a sentence.
Three is an important number for many cultures (groups of people living together). It is also a prime number. It is the first odd prime. In roman numerals, it is iii. Three gifts of the wise men.
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 very mystical and spiritual number featured in many folktales (three wishes, three guesses, three little pigs, three bears, three billy goats gruff).
