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''For the year AD 3, see 3.

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

Table of contents
1 Properties of three
2 Three-ness in human culture
3 More references to groups of three
4 Chemicals
5 Other references to three

Properties of three

Three-ness in human culture

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

More references to groups of three


Triacid, Triaminic, Triamcinolone, Triazine, Triazole, Tribromoethanol,
Trichloroethylene, Trichlorfon, Trifluralin, Triglyceride, Triglycerophosphate, Triphosphopyridine nucleotide

Other references to three

See also: one, two, three, four, five, integer, list of numbers.