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When is a number divisible by 9?

Anonymous

∙ 13y ago

Updated: 9/18/2023

When its digits add up to a multiple of 9

Examples:

9x2=18

1+8=9

9x9=81

8+1=9

9x111=999

9+9+9=27

2+7=9

Wiki User

∙ 13y ago

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Q: When is a number divisible by 9?

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Continue Learning about Math & Arithmetic

Is every number that is divisible by 9 divisible by 3?

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

What is the divisibility rule for 18?

Any even number divisible by 9, if the sum of the digits is divisible by 9. If it's an even number divisible by 9, it's divisible by 18.

What makes a number divisible by 9?

A number is divisible by 9 if a whole number of 9s can go into it and leave no remainder.

Is 1110 divisible by 9?

NO. 1110 is not divisible by 9. A number is divisible by 9 if the sum of its digits is divisible by 9. 1110 = 1 + 1 + 1 + 0 = 3 (3 is not divisible by 9, thus, 1110 is not divisible by 9.)

What number is divisible by 9 and not divisible by3?

None

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Related Questions

What number is not divisible by 9?

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

What is the converse of the sentence A number divisible by 9 is also divisible by 3?

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

Is every number that is divisible by 9 divisible by 3?

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

Can a number be divisible by 9 and 3?

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

What largest 3 - digit number divisible by both 6 and 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.

How do you figure out if a number is divisible by 9?

You divide the number by 9...=============================Try this:Add up the digits in the number.If that sum is divisible by 9, then the original number is divisible by 9.

Is 132 divisible by 9?

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

What is the divisibility rule for 18?

Any even number divisible by 9, if the sum of the digits is divisible by 9. If it's an even number divisible by 9, it's divisible by 18.

How do you know What is divisible by 9?

If the digits of a number add up to a multiple of 9, the whole number is divisible by 9.

What number in 3206 is divisible by 9?

There is only one number in 3206 and that is 3206. And that, is not divisible by 9.

What makes a number divisible by 9?

A number is divisible by 9 if a whole number of 9s can go into it and leave no remainder.

What are the divisibility rules for 9?

a number is divisible by 9 if the sum of the digits is divisible by 9.

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