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2 is the smallest and only even prime number, with various properties and meanings in different fields. Learn about its evolution, etymology, divisibility rule, characterizations, powers, sequences, iterative sequences, Euler's number, geometry, and more.
Learn the meaning, history, and usage of the word two, a number that is one more than one. Find synonyms, related phrases, examples, and more in this comprehensive dictionary entry.
Check pronunciation: two. Definition of two number in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
Learn about the number 2, its properties, history, and applications in mathematics, science, and culture. Find out why 2 is an even prime, a Sophie Germain prime, a Fibonacci number, and more.
noun. the cardinal number that is the sum of one and one. It is a prime number See also number. a numeral, 2, II, (ii), etc, representing this number. music the numeral 2 used as the lower figure in a time signature, indicating that the beat is measured in minims.
Learn the meaning and usage of the number 2 in English with examples, idioms and translations. Find out how to say two in different languages and how to break something in two pieces.
Learn about the number 2, its properties, meanings, and representations in different systems and languages. Find out why 2 is an even prime number, a binary system, and an irrational number.
