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Which is an odd number 4 28 49 80?
49
What is the smallest number into which 818 and 28 all divide?
the answer is 1.
Why is 28 a perfect number?
A number is perfect if all it's factors (barring itself) sum to make the original number. In this case, the factors of 28 are 1,2,4,7 and 14. Added up, these equal 28. Thus, 28 is a perfect number.
What is the smallest number into which 8 18 and 28 all divide?
-504
How is 28 the perfect number?
First of all, to know if a number is abundant, deficient, or perfect, you need to know all the factors of your given number. The factors of 28 are 1,2,4,7,14, and 28. Add your proper factors -or the factors except itself- and determine if the sum of the proper factors is below (deficient), above (abundant), or the exact same amount (perfect). In this case, if you add the proper factors, it equals exactly 28. Because it is exact, it is perfect! =)
What is the range of the consecutive odd numbers from 7 through to 35?
The range of a set of numbers is the range between the largest and the smallest number. This is basically the largest number in the sequence subtract the smallest number in the sequence. In this case, the smallest number is 7 and the largest number is 35. This makes the range 28.
Is 28 an odd number?
I don't think so. 28 is an even number.
What number goes into 28?
7*4 A number which can go into a number is called a factor. factors of 28 = 1, 2, 4, 7, 14, 28 to find the factors of a certain number, divide this number by numbers from 1 to whatever the number is, and if the answer is an integer (whole number), it is a factor, e.g. 28: 28 divided by 4=7 therefore, both 4 and 7 are factors of 28 28 divided by 14=2 therefore 14 and 2 are factors of 28 28 divided by 28=1 therefore 28 and 1 are factors of 28 therefore, factors of 28 are 1, 28, 2, 14, 4, 7
What are the factors of the number 28?
The factors of 28 are: 1, 2, 4, 7, 14, 28.
What are perfact numbers?
If the sum of all a number's factors (factors that are smaller than the number itself) is equal to the number itself, the number is said to be "perfect". For example, the factors of 6 (excluding 6 itself) are 1, 2, and 3; and the sum of these numbers is exactly 6. The smallest perfect numbers are 6, 28, 496, 8128. It isn't known whether the set of perfect numbers is finite or infinite. Also, it isn't known whether there are any odd perfect number; all known perfect numbers are even.
Which number between 1 and 28 has the greatest number of factors?
24
Is 28 odd or even number and why?
28 is even. All numbers ending in an even number are themselves even.
Which is an odd number 4 28 49 80?
49
How many odd number cards are in a deck of cards?
28
What number is greater than 25 but but has more factors than 21?
28 is the smallest number which satisfies these constraints, the next smallest numbers are 30, 32, and 36. This can be eaily calculated as the divisor function is a series on oeis A000005. 21 hsa 4 factors; 1, 3, 7, 21 as it is semi prime.
What is another number between 20 to 30 that has the same number of factors as 28?
20 and 28 both have six factors.
What is the smallest number into which 818 and 28 all divide?
the answer is 1.
