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Q: What number is exactly divisible by 9?

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Every number is divisible by 9 but the answer wont necessarily be a whole number.

If a number is not divisible by 3 then it is not divisible by 9.

999 is divisible by 9, but not by six; the next lower number divisible by 9 is 990, which is also divisible by 6, so that's the answer. Some shortcuts for divisibility: 0 is divisible by any number. If the last digit of a number is divisible by 2, the number itself is divisible by 2. If the sum of the digits of a number is divisible by 3, the number itself is divisible by 3. If the last TWO digits of a number are divisible by 4, the number itself is divisible by 4. If the last digit of a number is divisible by 5, the number itself is divisible by 5. If a number is divisible by both 2 and 3, it is divisible by 6. If the last THREE digits of a number are divisible by 8, the number itself is divisible by 8. If the sum of the digits of a number is divisible by 9, the number itself is divisible by 9. 990: 9+9+0=18, which is divisible by 9, so 990 is divisible by 9. 18 is also divisible by 3, so 990 is divisible by 3, and since 990 ends in 0 it's also divisible by 2, meaning that it's divisible by 6 as well.

None, because 9 is divisible by 3.

Not exactly because it will have a remainder

Related questions

The smallest number which is exactly divisible by the numbers 8 9 and 10 is 360.

90

No. In order for a number to be exactly divisible by 3, the digits in the number must also be divisible by three. In this example, 9+5+5=19.

Every number is divisible by 9 but the answer wont necessarily be a whole number.

No, it is not.

If a number is not divisible by 3 then it is not divisible by 9.

No

Yes, every number that's divisible by 9 is divisible by 3

Yes, any number divisible by 9 is also divisible by 3.

9 is divisible by 1, 3 and 9.

No - any number divisible by 9 will have the sum of its digits divisible by 9.

a number or algebraic expression by which another is exactly divisible. 9 is divisible by 3; 3 is a factor of 9.

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