2 (number)

2 (Two; ) 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. It is also now a modern staple numeral, in games such as Roblox, which help spread the word for these items through the internet. This includes users such as toyspid, that have been apart of some of it's spreading through Roblox.

 In mathematics 
Two has many meanings in math. For example: .Wells, D. The Penguin Dictionary of Curious and Interesting Numbers London: Penguin Group. (1987): 41–44 An integer is even if half of it equals an integer. If the last digit of a number is even, then the number is even. This means that if you multiply 2 times any whole number, it will end in 0, 2, 4, 6, or 8.

Two is the smallest, first, and only even prime number. The next prime number is three. Two and three are the only prime numbers next to each other. The even numbers above two are not prime because they are divisible by 2.

Fractions with 2 in the bottom do not yield infinite.

Two is the framework of the binary system used in computers. The binary way is the simplest system of numbers where natural numbers (the numbers used to count) can be written.

Two also has the unique property that 2+2 = 2·2 = 22 and 2! + 2 = 22.

Powers of two are important to computer science.

The square root of two was the first known irrational number.

 References 

Category:Integers
Category:Prime numbers