2



Property

 * 2 is the first power of two
 * 2 is the second natural number
 * 2 is the first prime number
 * 2 is also the only even prime number
 * A number is divisible of 2 if it ends in 2, 4, 6, 8, or 0
 * 2's cardinality is equal to the number of factors it has. This makes 2 the only prime and superiorly-composite number.
 * There are no solutions to x^n + y^n = z^n for all n>2