2 (two) is a number, numeral and digit. It is the natural number following 1 and preceding 3. It is the smallest and the only even prime number. Because it forms the basis of a duality, it has religious and spiritual significance in many cultures.
Learn the different ways number 2 can be represented. See the number two on a number line, five frame, ten frame, numeral, word, dice, dominoes, tally mark, fingers and picture representations.
A West Arabic numeral, ultimately from Indic numerals (compare Devanagari २ (2)), from a cursive form of two lines to represent the number two. See 2 § Evolution for more.
Explore the curious properties of number 2, the only even prime number. Includes mathematical info, prime factorization, divisors, bases and much more! A fascinating reference for students, coders, engineers, scientists, puzzle-solvers, and anyone who enjoys numbers.