It is the only known even Prime number which makes 2 very special.
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The number 2 is 'special' because it is the only prime number that is even.
One thing that is special is that 2 + 2 = 2*2 = 2^2 = 4
No special name.
its the only even number to be a prime number.
Even though there are different special numbers, there is only one special number that falls under all the categories. The number one is special because it cannot be a prime or a composite number as one only has one factor: itself. So it is classified as a special number. There are, however, other special numbers in separate categories.