It is the only Natural which is neither Prime nor Composite.
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it is the first number
Multiplicative identity. Because for any number a, 1*a = a
the number 1 is a special number. The number 1 is a confusing number to deal with, but it is called a special number.Example: Is 1 prime or composite? It is neither.
because its not prime or composite
1 is a special number. literally that's what 1 is called.