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. [citation …

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.

Explore the curious properties of number 3, an odd number which is prime. Includes mathematical info, prime factorization, divisors, bases and much more! A fascinating reference for students, …

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Feb 4, 2023 · Have you ever wondered why the number 3 appears so frequently in various cultures, stories, and systems? From its deep spiritual significance to its prominent presence …

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).

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

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

Nov 3, 2020 · The number 3 is a lucky number for many across the world, but it's also just as unlucky for others. Here are 10 fun facts about the number 3.

Dec 3, 2025 · 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).