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.

The number three is shown to be represented by different possible spin states in the regime from -3 to +3, that is by negative and positive integer numbers, including a -0 and +0, in contrast to …

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QuickMath will automatically answer the most common problems in algebra, equations and calculus faced by high-school and college students. The algebra section allows you to expand, …

Oct 31, 2025 · A West Arabic numeral, ultimately from Indic numerals (compare Devanagari ३ (3)), from a cursive form of three lines to represent the number three. See 3 § Evolution of the …

Noun 1. 3 - the cardinal number that is the sum of one and one and one tercet, ternary, ternion, terzetto, three, threesome, trey, triad, trine, trinity,...

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

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.

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