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What is a composite number between 31 and 50 with an even number of factors and has a sum of 16?
39 is a composite number whose proper factors add up to 16.
Is 2500 a square number?
To find out if a number is a square number, find its prime factors and check if all prime factors duplicate. In this example, the prime factors are: 2,2,5,5,5,5 We can see that all numbers are duplicates, and can be paired up. So 2500 is a square number of 2x5x5 or 50.
Whats the maximum number of zeros in a number?
The maximum number of zeros in a number is determined by the number of factors of 10 in that number. Each factor of 10 is made up of 2 factors of 5 and 2 factors of 2. Therefore, the maximum number of zeros in a number is equal to the minimum of the number of factors of 5 and the number of factors of 2. For example, in the number 1000, there are three factors of 10, so the maximum number of zeros is 3.
What is the name of a number if its factors add up to more than the number?
I believe you are thinking of a prime number. Ex. The factors of 2 are 1 and 2. The factors of 13 are 1 and 13.
What is a number where its factors add up to itself called?
It is called a perfect number.
