Encyclopedia > Three

  Article Content


Three (3) is a the natural number following two and preceding four.

Three is the second smallest prime number, the next is five.

3 goes into 9 exactly 3 times, so fractions with 3 in the denominator have a single digit repeating sequences in their decimal expansions. A natural number is divisible by three if and only if its decimal digit sum is divisible by 3.

Many human cultures have given the concept of three-ness symbolic meanings:

Three (三 pinyin san1) is considered a good number in Chinese culture because it sounds like the word "alive" (生 pinyin sheng1), compare to four.

Three is also:

  • the number of musicians in a trio.

Decals and bumper stickers bearing the phrase "In Memory of 3" are references to NASCAR driver Dale Earnhardt.

Other uses for three:

  1. Three's Company[?]
  2. Three of a Kind[?]

All Wikipedia text is available under the terms of the GNU Free Documentation License

  Search Encyclopedia

Search over one million articles, find something about almost anything!
  Featured Article
East Hampton North, New York

... age or older. The median age is 41 years. For every 100 females there are 92.6 males. For every 100 females age 18 and over, there are 90.2 males. The median income for ...

This page was created in 38 ms