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 needed]

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.

Dec 19, 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).

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, coders, …

Dec 22, 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).

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

Dec 21, 2025 · 3 (plural 3s) (sports, skateboarding, snowboarding, skiing) Clipping of 360 (“360° spin”). Replaces the letter E / e in leetspeak.

Many cultures around the world see the number three as important or special. The number three appears in many famous stories, beliefs, and traditions. Here are some examples: The Three …

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 in science, the …

May 19, 2020 · Most of the time 3 is perceived as a good thing, but not always, like in baseball “3 strikes you’re out”, or in some cultures, one should not take a picture in a group of three. Three is used in so …