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What are the divisibility rules of 18?
If the number is even and the sum of its digits is divisible by nine then the number is divisible by 18.
What is the highest 9-digit number with no digits alike?
987654321 is the highest nine-digit number with no repeated digits.
Is 5556 divisible by nine?
It is, but not evenly. You get a number with digits after the decimal point.
How can you divide any number by 9?
Add the digits of the number. If that total is divisible by nine, so is the original number. Example: 12,345,678 The digits total 36. 36 is divisible by 9. So is 12,345,678.
Is 21837 divisible by 6 and 9?
Nope - To be divisible by nine, the sum of the digits must also be divisible by 9 (the digits total 21). Additionally, since it's an odd number - it cannot be divided by 6 !
What is true if 9 is a factor?
The sum of the digits of the number will add to a number that's divisible by nine. For example, 99 -> 9+9 -> 18. 18 is divisible by nine, thus 99 is. Any whole number that's divisible by nine will have its digits add up like this, and any whole number whose digits add up like this will be divisible by nine.
What are the divisibility rules of 18?
If the number is even and the sum of its digits is divisible by nine then the number is divisible by 18.
What is the highest 9-digit number with no digits alike?
987654321 is the highest nine-digit number with no repeated digits.
What nine-digit number is divisible by 11 and has no repeating digits?
987652431
What is an odd number with four digits that is divisible by nine?
ez.....9999
Is 5556 divisible by nine?
It is, but not evenly. You get a number with digits after the decimal point.
How do you know if a 9 divides into a number?
Add the digits of the number. If that total is divisible by nine, so is the original number. Example: 12,345,678 The digits total 36. 36 is divisible by 9. So is 12,345,678.
How can you divide any number by 9?
Add the digits of the number. If that total is divisible by nine, so is the original number. Example: 12,345,678 The digits total 36. 36 is divisible by 9. So is 12,345,678.
Is 21837 divisible by 6 and 9?
Nope - To be divisible by nine, the sum of the digits must also be divisible by 9 (the digits total 21). Additionally, since it's an odd number - it cannot be divided by 6 !
How do you find the divisibility rule for nine?
If a numbers digits add up to a number that is divisible by nine, the number is divisible by nine. Example~ 486 4+8+6=18 Since 18 is divisible by 9, 486 is divisible by 9. 561 5+6+1=12. 561 isn't divisible by 9.
What are signs that a number is divisible by 3?
If all the digits in a number add up to a number divisible by three, the number itself is divisible by three.For example the number 711: 7 + 1 + 1 = 9. Nine is divisible by three, therefore 711 is divisible by three.
Is 2340 divisible by 9how do you know?
Yes, to test for divisible by 9: add the digits together [2+3+4+0=9]. If the sum equals nine, or a number divisible by nine, then the original number is divisible by nine. Example: 4752; 4+7+5+2 = 18, which is divisible by 9. If you're not sure, 1+8=9. You can always keep adding the digits together, and eventually you'll be left with a single digit number. If the sum is equal to 9, then the original number is divisible by 9.
