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Is there a perfect number between 20 and 30?
28 is a perfect number.
How many perfect numbers are in between 20 and 50?
The only perfect number between 20 and 50 is 28.
A perfect number between 20-30?
It is 28 I did that at school in year 6
What is a square number between 20 and 30?
25 is a perfect square occurring between 20 and 30.
Is the number 20 a perfect square?
20 is a not perfect square.
How many perfect squares are there between 20 and 150?
To find the perfect squares between 20 and 150, we need to determine the perfect squares less than 20 and the perfect squares greater than 150. The perfect squares less than 20 are 1, 4, 9, and 16. The perfect squares greater than 150 are 169 and 196. Therefore, there are 5 perfect squares between 20 and 150: 25, 36, 49, 64, and 81.
Is the number a perfect square?
20 is a not perfect square.
Is 20 a perfect number?
No it is not. The closest perfect number to it is 28. The divisors of 20 are 1,2,4,5,10 those add up to more than 20 so 20 is an abundant number.
Perfect numbers between 20 and 30?
there are no perfect numbers instead there are perfect cubes, perfect squares, natural numbers, whole numbers, integers, rational numbers, irrational numbers, and real numbers. If you want natural no. they are 21, 22, 23, 24, 25, 26, 27, 28, and 29.
What is the inequality that represents this question The sum of a number and 5 is between 10 and 20 find the number?
10 < x + 5 < 20
What numbers is halfway between 20 and 30?
25
How is 20 a perfect number?
It isn't a perfect number.A perfect number is a number which is the sum of its proper divisors (including 1, but excluding itself).The divisors of 20 are 1, 2, 4, 5, 10.1 + 2 + 4 + 5 + 10 = 22 => 20 is not a perfect number.An example of a perfect number is 28:The divisors of 28 are 1, 2, 4, 7, 141 + 2 + 4 + 7 + 14 = 28 => 28 is a perfect number.
