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Which numbers are not divisible by 9?
The divisibility test for the number 9 is: Any number whose digits add up to 9 or a multiple of 9, is divisible by 9. Any other number the sum of whose digits do not add up to 9 or a multiple of 9, are not divisible by 9.For example, the digits of 81 sum up to 9, and therefore, 81 is divisible by 9. The digits of the number 319381482 add up to 39, and therefore, 319381482 is divisible by 9.
What is the 2 digit multiple of 8 whose digits add up to 10?
64
What is the four digit number whose digits are reversed when multiplied by nine?
Find a four digit number whose digits will be reversed when multiplied by nine?
What is a 2 digit multiple of 11 whose digits add up to 12?
The answer is 66.
A two digit multiple of 5 whose digits add up to 13?
18
What is a two digit multiple of 5 whose digits add up to 13?
The number is 85.
What kind of number is divisible by 3 and 5?
A number ending in 0 or 5, whose digits sum to a multiple of 3.
What is the smallest whole number that is a multiple of 18 and whose digits can only be 4 or 7?
774774774774
What kind of 4 digit number is divisible by 6 and 9?
An even number whose digits add up to 9 or a multiple of 9.
Which numbers are not divisible by 9?
The divisibility test for the number 9 is: Any number whose digits add up to 9 or a multiple of 9, is divisible by 9. Any other number the sum of whose digits do not add up to 9 or a multiple of 9, are not divisible by 9.For example, the digits of 81 sum up to 9, and therefore, 81 is divisible by 9. The digits of the number 319381482 add up to 39, and therefore, 319381482 is divisible by 9.
What even number has digits whose product is ten?
52 is a number whose digits have a product of 10.
The number has two digits the number is less than fifty the number can be evenly divided by two the sum of the number's digits is 9?
Answer 18. The two digit numbers less than 50 whose digits add to 9 are 45, 36, 27 and 18. 36 and 18 are even. 36 is the only number whose paired factor with 2 is even (18).
Is 34215 divisible by 3?
Any number whose sum of its digits are equal to a multiple of 3, is divisible by 3. In this instance, the sum of the digits of the number 34215 is equal to 15, which is divisible by 3, and therefore the number is divisible by 3.
Is 990 divisible by 3?
Any number whose digits add up to a multiple of 3 is divisible by 3. Since the digits of 990 add up to 18, this is a multiple of 3.The sum itself: 990 / 3 = 330
What is a multiple 9?
Any number whose digits add up to 9 is also a multiple of 9 as for example 162 is 1+6+2 = 9 and 9*18 = 162
Which the largest 3 digit prime number whose digits all primes?
The largest 3 digit number whose digits are all primes is 777. The largest 3 digit number with different prime digits is 753.
What is the 2 digit multiple of 8 whose digits add up to 10?
64
