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No 18 is not. It is a abundant number.
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Is 18 abundant or deficient or perfect number?
18 is abundant
Is 18 a square number why or why not?
It is a square number but not a perfect square. The nearest perfect squares, on either side, are 4^2 = 16 and 5^2 = 25. Since there is no integer between 4 and 5 and the square is a strictly monotonic function, 18 cannot be a perfect square.
Is 18 square?
Yes, in so far as all numbers are squares (of some number). But it is not a perfect square.
What is the sum of the first perfect number and the second perfect number?
The sum of the 1st perfect number and 2nd perfect number is. . . 34!
Can a perfect number be odd?
If by 'perfect number' you mean 'perfect SQUARE', then yes. 49 is an odd number and a perfect square.
Is 18 abundant or deficient or perfect number?
18 is abundant
What least number multiply to 18 to make it perfect square?
It is 2 times 18 = 36 which is a perfect square number because 6 time 6 = 36
Is 18 a square number why or why not?
It is a square number but not a perfect square. The nearest perfect squares, on either side, are 4^2 = 16 and 5^2 = 25. Since there is no integer between 4 and 5 and the square is a strictly monotonic function, 18 cannot be a perfect square.
What least number must be added to 5607 to make the sum a perfect square find theperfect square of its square root?
5607 + 18 = 5625, a perfect square. The perfect square of a square root is the number you started with.
Is the square root of 18 a rational or irrational number?
The square root of 18 is an irrational number because it cannot be expressed as a fraction.
IS 18 A SQUARE?
Yes, in so far as all numbers are squares (of some number). But it is not a perfect square.
What is the smallest number which is a multiple of 162 and also a perfect square?
It is: 9 and 9 times 18 = 162
Is 18 square?
Yes, in so far as all numbers are squares (of some number). But it is not a perfect square.
What is the sum of the first perfect number and the second perfect number?
The sum of the 1st perfect number and 2nd perfect number is. . . 34!
Is 49x14y18 is a perfect square?
49 x 14 x 18 is not a perfect square. This is because a prime factorization of 49 x 14 x 18 contains 3 sevens. The prime factorization of any perfect square must have an even amount of each prime number.
What is it called when a number has a whole number square root?
Then the number is called a "perfect square".Then the number is called a "perfect square".Then the number is called a "perfect square".Then the number is called a "perfect square".
Can a perfect number be odd?
If by 'perfect number' you mean 'perfect SQUARE', then yes. 49 is an odd number and a perfect square.
