In mathematics, the number 2 is an integer that follows 1 and precedes 3. It is considered a prime number because it is divisible only by 1 and itself. Additionally, 2 is the base of the binary number. 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,.

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