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3 and 9.

93 has a digit sum of 12, initially, which is divisible by 3, but not by 9. So 93 is divisible by 3, but not by 9.

99 has a digit sum of 18, initially, which is divisible by 3 and 9. So 99 is divisible by both 3 and 9.

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โˆ™ 2010-06-09 00:45:42
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Q: What is the number n where if the sum of the digits of the number is divisible by n the number itself is divisible by n?
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If the sum of the digit is divisible by 3 the number is divisible by?

That means the number itself is divisible by three. the sum of the digits in 144, for example, is 9. 144 divided by 3 is 48. The sum of the digits in 21 is 3. 21 divided by 3 is 7.If the number is an even number and the sum of the digits is divisible by 3, the number is also divisible by 6. 144 is even and the sum of the digits is divisible by 3, so 144 is also divisible by 6. 144/6 = 24. And finally, if the sum is divisible by 9, the number itself is also divisible by 9. 27 is an example of this.


What is a number n where if the sum of the digits of the number is divisible by n, then the number itself is divisible by n?

(The assumes that "the number" in the question is not n, although if they are they same number, this is still true.) "If the sum of the digits of the number is divisible by n, then the number itself is divisible by n" is true if n is 3 or if n is 9.


A number is divisible by 3 if the blank is divisible by 3?

A number is divisible by 3 if the sum of its digits is divisible by 3.


What is a number n where if the sum of the digits of the number is divisible by n then the number itself is divisible by n?

That works with 3 and 9.


A number n where if the sum of the digits of the number is divisible by n then then the number itself is divisible by n?

This works with 3, and with 9.


Indentify the conclusion what conditional a number is divisible by 3 if the sum of the digits of the number is divisible by 3?

If the sum of the digits of a number is divisible by 3, then the number is divisible by 3.


A number n where if the sum of the digits of the number is divisible by n then the number itself is divisible by n?

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Is 1 trillion 17 a prime number?

Since the sum of the digits is divisible by 3, the original number is also divisible by 3.Since the sum of the digits is divisible by 3, the original number is also divisible by 3.Since the sum of the digits is divisible by 3, the original number is also divisible by 3.Since the sum of the digits is divisible by 3, the original number is also divisible by 3.


Is 345456543 a prime number?

No, this number is divisible by 3 and hence is not a prime number. You can tell that fast by adding the individual digits. If that sum is itself divisible by 3, as this one is, then the number itself is divisible by 3.


Is 531 a prime number?

No. The sum of its digits, 5 + 3 + 1, is divisible by 3, which means the number itself is also divisible by 3.


If the sum of the digits is divisible by 3 the number is divisible by what?

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If the sum of the digits is divisible by 3 the number is divisible by?

9


Is the number 5886 divisible by 9?

Yes it is. In order for it to be divisible by 9, the sum of the digits in the number must also be divisible by 9. In this case - the sum of the digits is 27.


Is 182763 divisible by 9?

The sum of the digits is 27, which is divisible by 9, so the number itself is divisible by 9. When divided by 9, it equals 20307.


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.


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A harshad phone number is a phone number in which the number itself is evenly divisible by the sum of the individual digits.


A number is divisible by 3 if the sum of the digits of the number is divisible by 3?

Yes.


What is the divisiblity rule of 9?

The rule to decide if a number is divisible by 9 is to look at the sum of the digits. If the sum of the digits is divisible by 9, then so is the number.


How are the divisibility rules for 3 6 and 9 alike?

A number is divisible by 3 if the sum of its digits is a multiple of 3. A number is divisible by 6 if the sum of its digits is a multiple of 3 and it's even. A number is divisible by 9 if the sum of its digits is a multiple of 9.


Is 518 divisible by 3?

If sum of digits of a number is divisible by 3 then the number is divisible by 3. Sum of digits = 5+1+8 = 14 and 14 is not divisible by 3. So 518 is not divisible by 3.


What is a 3 digit number divisible by 7 but not 2 the sum of your digits is 4?

I am a 3 digit number divisible by 7 but not 2 the sum of my digits is 4 what number am I


If a number is divisible by 3 the?

sum of its digits is also divisible by 3.


Is a number always divisible by 4 if the sum of the digits is 8?

No. 26 for instance the sum of the digits is 8 but not divisible by 4. 32 the sum of the digits is 5 but divisible by 4 The rules for some other numbers are 2 all even numbers are divisible by 2 3 The sum of the digits is divisible by 3 4 The last 2 numbers are divisible by 4 5 The number ends in a 0 or 5 6 The sum of the digits is divisible by 3 and is even 7 no easy method 8 The last 3 numbers are divisible by 8 9 The sum of the digits is divisible by 9


Below 40 a prime number the sum of its digits is 11?

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