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Q: Is 21 a odd number

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21 is an odd composite number

An even number can be divided by 2 evenly. An odd number will have a remainder of 1 when divided by 2. 21 is an odd number.

It is odd.

The number 21 is odd since it cannot be divided by two to make a whole number.

an odd number

There can be no number with an odd sum of 8 because 8 is not odd!

Yes

The sum of any four odd numbers will never be equal to an odd number.

If an odd number has more than two factors then it is a composite number but if it has only two factors then it is a prime number. Although all prime numbers are odd except for 2 many more odd numbers are composite numbers having more than two factors as for example 21 is an odd number whose factors are 1, 3, 7 and 21.

21

15

21+9=20

First odd number greater than 20 is 21 Last odd number less than 200 is 199 → number of odd numbers between 20 and 200 is (199 - 21) ÷ 2 + 1 = 90

7

odd

you could be 21, 23, 25, 27, or 29.

7 times any odd number. 7, 21, 35, and so on.

An odd number minus an odd number is an even number.

when an odd number is subtracted from an odd number the answer is an even number.

It is 21 because 21+23 = 44

This is impossible. 21 is an odd number and all these digits are odd. Whenever you add 6 odd numbers together, the answer is always even!

you get an odd number

21 or 35

These are the products of the given odd number and any odd number.

An odd number times an odd number is an odd number no matter which 2 odds you multiply.