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Why is15 a deficient number?
That means that the sum of the number's factors, less than the number itself, is less than the number in question - in this case, if you add the factors of 15 (except 15 itself, which is also a factor of 15), you get a total that is less than 15.
Can you add an even number to 15 so that the sum is an even number?
No because two plus 15 equals 17
Is 15 a deficient number?
Yes 15 is a deficient number because its factors add upp to less than the number itself,which is 15.
Is the number 16 an abundant number?
Yes, the number 16 is an abundant number because the sum of its proper divisors (1, 2, and 4) is greater than the number itself (16).
Is 75 perfect abundant or deficient?
A perfect number is one with factors (apart from itself) that sum to give the original number. An abundant number is one where this sum is greater than the original number. A deficient number is one where the sum is less than the original number. The factors of 75 are 1, 3, 5, 15 and 25. The sum of these numbers is 49. Thus 75 is a deficient number.
What is the sum of 15 and 20?
Sum means add them together.15+20=35
WHAT number is a 2 digit number a multiple of both 3 and 4 and the sum of its digits add up to 15?
Numbers below 100 which can be divided equally between 3 and 4 are:12, 24, 36, 48, 60, 72, 84, 96Therefore, the two-digit number whose digits add up to 15 and which shares 3 and 4 as common factors is 96.
What is the sum of all the common factors of 99 and 33?
To find the common factors of 99 and 33, we first need to find the factors of each number. The factors of 99 are 1, 3, 9, 11, 33, and 99. The factors of 33 are 1, 3, 11, and 33. The common factors are 1, 3, and 11. Adding these common factors together gives us 1 + 3 + 11 = 15. Therefore, the sum of all the common factors of 99 and 33 is 15.
What is the sum of 27 and 15?
They add up to 42
What pair of number have the sum of 11 and the product of 15?
The factor pairs of 15 are (15,1)(5,3) Neither of them add up to 11. No integers fulfill your request.
Two consecutive numbers whose factors have the same sum?
The two consecutive numbers whose factors have the same sum are 8 and 9. The factors of 8 are 1, 2, 4, and 8, and their sum is 15. The factors of 9 are 1, 3, and 9, and their sum is also 15. Therefore, 8 and 9 are the consecutive numbers whose factors have the same sum.
What is the sum of all the factors of 15?
1 + 15 + 3 + 5 = 24
