No, 18 is not a square number
The number value is 18.
No 18 is not. It is a abundant number.
No, 18 is not a triangular number.
18 is a number.
18 is an even number.
The number is 18.
the quotient of a number and 18 is 5. find the number.
The number 18 is even.
The first prime number after 18 is 19.
The quotient of 18 and a number