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.
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 Stooges were a famous comedy group. In Hinduism, a major religion from India, there is the Trimurti.
Gemini is the third astrological sign of the Zodiac. (May 21 – June 21) Number three is the number of Jupiter.
Since 3 is a prime number, 3 is also a deficient number, that is to say 3 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 3 without 3 itself (that is 1, by definition!).