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What are the perfect numbers between 1 and 20?
Just 6
How many numbers between 20 and 30 are perfect square?
4
Which whole numbers have square roots between 1 and 20?
All whole numbers between 1 and 400 (=20 square).
Are 20-28 composite numbers?
Not all numbers between 20 and 28 are composite numbers. 23 is a prime number.
What are all the prime numbers between 0-20?
2,3,5,7,11,13,17,19
How many perfect numbers are in between 20 and 50?
The only perfect number between 20 and 50 is 28.
How many numbers between 2 and 20 are perfect squares?
Three numbers.
What are the perfect numbers between 1 and 20?
Just 6
Perfect numbers between 20 and 30?
There are no perfect numbers between 20 and 30. Perfect numbers are numbers that are equal to the sum of their proper divisors, excluding the number itself. The perfect numbers within this range would be 28, but that is incorrect as 28 is not a perfect number.
How many perfect square numbers between 1 to 1000 are?
There are 31 perfect square numbers between 1 and 1000 (including 1).
How many numbers between 20 and 30 are perfect square?
4
What are 2 perfect numbers between 5 and 20?
The only two are 9 and 16.
Which whole numbers have square roots between 1 and 20?
All whole numbers between 1 and 400 (=20 square).
Are 20-28 composite numbers?
Not all numbers between 20 and 28 are composite numbers. 23 is a prime number.
What are all the composite numbers between 10 and 20?
10,12,14,15,16,18, and 20 dumbshit
Is 20 a perfect number in math?
No. In the first hundred numbers, there are only two perfect numbers: 6, and 28.
Is 20 a square number or not?
No. Square numbers (or perfect square numbers) are squares of integers. The perfect square numbers are 1, 4, 9, 16, 25, 36 ... 20 is not in the series.
