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]

A natural number is divisible by three if the sum of its digits in base 10 is divisible by 3. For example, the number 21 is divisible by three (3 times 7) and the sum of its digits is 2 + 1 = 3.

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 …

Aug 2, 2025 · Three often represents the flow of time: past, present, and future. This trifecta reminds us that life is a continuous cycle, and each moment connects to the next.

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 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).

The number 3 also appears in the song of A Perfect Circle, called "3 Libras" '3 Kings', in Spanish '3 reyes', is a song by the American hip hop artist Slim Thug.

Number 3 is the number of good fortune. The Pythagoreans taught that the number three was the first true number. Three is the first number that forms a geometrical figure – the triangle. Three was …

Since it has only one prime factor, 3 is a prime number. The number 3 can be divided by 2 positive divisors (out of which none is even, and 2 are odd). The sum of these divisors (counting 3) is 4, the …

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