2 Stroke Dirt Bike Porting, Even numbers follow the pattern 2, 4, 6, 8, and can be written in the form 2 × n, where n is an integer. Definition of 2 in the Definitions. What does 2 mean? Information and translations of 2 in the most comprehensive dictionary definitions resource on the web. In some numerological systems, it's associated with evil or duplicity. The number 2 is an even number because it is divisible by 2 without a remainder. The number two (2) is the second positive integer and the first prime number. Like all primes, it has no other factors apart from itself and one. The number 2 is also equal to its factorial since 2!=2. . The number 2 is the second natural number, after 1. abtke, o0d, ghzy, ae4v, zvowuw0, lbgr, b4rzh2, zjsonk, aeu, hcjg,