Is 400 divisible by 21?

400 is divisible by 21 if the quotient of 400 divided by 21 is an integer. The quotient is the result you get when you divide one number by another. Furthermore, an integer is a whole number (not a fractional number).

Thus, to find out if 400 is divisible by 21, we simply calculate 400 divided by 21 and then determine if the answer (quotient) is an integer (whole number) or a fractional number.

400 / 21 = 19.04761905

As you can see above, the quotient of 400 divided by 21 is 19.04761905 and 19.04761905 is a fractional number. Therefore, 400 is not divisible by 21.

Q: Is 400 divisible by 21?
A: No

So now you know that 400 is not divisible by 21. Do you want to know all the numbers that 400 is divisible by? No problem. 400 is divisible by 1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, and 400.

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Is 400 divisible by 22?
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