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.

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.

Explore the hidden properties of 3, an odd prime number. Includes Prime Factorization, Divisors, Bases and Fun Facts for students, number lovers and curious minds.

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.

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).

Significance and Meaning of number 3. Number Symbolism. Fun facts about the number three. Number 3 in superstition.

Is 3 a triangle number? Factorial (n!) of number 3! Is 3 a Prime Number? Is 3 a perfect number? Is 3 a Mersenne Prime? Is 3 a Fermat Prime? Is 3 a Fibonacci Prime? Is 3 a Partition Prime? Is 3 a Pell …

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 …

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 …

3 is a prime number, being the smallest prime, Mersenne prime, Fermat prime, and Cullen prime. A number is divisible by 3 if the sum of the digits is 3 in base-10.