The number 2 is the second natural number, after 1. Each natural number, including 2, is constructed by succession, that is, by adding 1 to the previous natural number.

The glyph currently used in the Western world to represent the number 2 traces its roots back to the Brahmin Indians, who wrote 2 as two horizontal lines. (It is still written that way in modern Chinese …

Jan 4, 2026 · 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.

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.

The number two (2) is the second positive integer and the first prime number. It is even, and is the only even prime (the primes other than 2 are called the odd primes). The number 2 is also equal to its …

Feb 5, 2026 · In a nutshell 2 is unique – it’s the only prime that’s an even number. Like all primes, it has no other factors apart from itself and one.

Discover what the number 2 means, how to write it, and spot it in everyday life. Start learning with Vedantu!

2 (Two; / ˈtuː / ( ⓘ)) is a number, numeral, and glyph. It is the number after 1 (one), followed by 3 (three), then 4 (four). In Roman numerals, it is II.

Free Online Scientific Notation Calculator. Solve advanced problems in Physics, Mathematics and Engineering. Math Expression Renderer, Plots, Unit Converter, Equation Solver, Complex Numbers, …

The superscript two, ², is used in mathematics to denote the square of a number or variable. It also represents the second derivative in calculus when used as a notation for differentiation.