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They are the odd numbers multiplied by themselves.
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What even number less than 100 has an odd number of factors?
Perfect squares have odd numbers of factors. The perfect squares less than 100 are: 1,4,9,16,25,36,49,64,81,100. 64 seems to fit both criteria.
Is the sum of two square consecutive numbers an odd number?
Yes. One has to be the square of an odd number. The other square has to the the square of the even number either before or after the odd number. If this is confusing just plug in real values. In either case, an odd times and odd is odd. Therefore one of the squares has to be odd. AN even times an even, however, is always even. Therefore, the second square has to be even. Thus, one of the squares is even and the other is odd. An even plus and odd is always odd.
What has an odd number of factors but is an even number?
Squares of even numbers like 4 and 16.
Why are all squares similar?
Because they are cooresponding shapes
What are numbers with odd factors called?
squares
Numbers that have an odd number of factors are what?
perfect squares
Odd number factors?
Perfect squares are numbers with an odd number of factors.
What has an odd number of factors?
Squares have an odd number of factors.
What numbers with an odd numbers of factors?
Perfect squares have an odd number of factors.
Which number from ten to twenty has an odd number of factors?
Only perfect squares can have an odd number of factors. The answer is 16. It has five factors: 1,2,4,8,16.
What is the special name of the numbers which have an odd number of factors?
Squares.
What is 1 9 and 25 examples of?
odd number squares
How many numbers which are less than 1000 have an odd number of factors?
Perfect squares have an odd number of factors. There are 31 perfect squares less than 1000.
What do all perfect squares have?
Right angles an odd number of factors
Can you express every odd prime number as the difference of two squares?
Every odd number greater than one is the difference of two squares. This includes all the odd prime numbers. To find the two numbers whose difference of squares equals a particular odd number, divide the odd number by 2. The two numbers are the integers immediately below and above that dividend. For example, 17 is the difference of two squares. Divide 17 by 2 and get 8.5. The two numbers are 8 and 9. 92 - 82 = 81 - 64 = 17.
What even number less than 100 has an odd number of factors?
Perfect squares have odd numbers of factors. The perfect squares less than 100 are: 1,4,9,16,25,36,49,64,81,100. 64 seems to fit both criteria.
What number is a square number and it is odd?
The square of any odd integer is an odd square number. For example, 3^2 = 9.
