Is 399 divisible by 6?

The question we are solving here is: If we divide 399 by 6, will we get a whole number with no remainder? In other words, is 399 divisible by 6?

For 399 to be divisible by 6, both of the following two criteria must be met: First, 399 has to be an even number and second, the sum of its digits must be divisible by 3.

Looking at 399, you see that 399 is an odd number, which means that the first criteria is not met.

The sum of the digits in 399 is 21, which is divisible by 3. Therefore, the second criteria is met.

Thus, 399 is not divisible by 6 and the answer to the question "Is 399 divisible by 6?" is

NO

You may also be interested to know that if you divide 399 by 6, you get 66.50.

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