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What else can I help you with?
What is the term for equal to the sum of its proper factors?
A perfect number is the term for a number that is equal to the sum of its proper divisors. Be careful not to confuse that with proper factors. Proper divisors include 1 but not the number itself. Proper factors don't include either I or the original number.
What is the sum of the proper factors of 256?
154 is the sum of the proper factors of 256.
What number between 20 and 30 has a sum of all its proper factors equal to twice the number itself?
There aren't any numbers like that. You might be thinking of 28, which has a sum of all its factors equal to twice itself, making it a perfect number. Proper factors are a different set.
What is the sum of the proper factors of 75?
48
What are the factors of -84 that equal the sum of -16?
The factors of -84 that equal the sum of -16 are: -28 and 12 -14 and -2 -12 and -4
What is the sum of all the proper factors of 1000?
2,340
What does Abundant Deficient and perfect mean?
Abundant is a number for which the sum of all its proper factors is greater than the number itself. Deficient is a number for which the sum of all its proper factors is less than the number itself. Perfect is a number for which the sum of all its proper factors is the number itself.
What do you call a number that is equal to the sum of its factors?
amicable
What is the sum of all its proper factors of 5?
Zero. 5 is a prime so its only factors are 1 and 5. It, therefore, has no proper factors.
What is a perfect number and give an example of one?
A perfect number is equal to the sum of its proper divisors (the factors excluding the number itself.) 6 is a perfect number. Its proper divisors are 1, 2 and 3.
What factors of 945 equal the sum of 26?
21 and 5
What does abundant mean in proper factors?
an abundant number is less than the sum of its proper divisors
