No 19 is a Prime number.
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Well, honey, let's do some math here. The sum of the digits in 847 is 8+4+7=19, which is not divisible by 9. So, no, 847 is not divisible by 9. But hey, nice try for thinking about divisibility!
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.)
No it is not divisible by 9 .
All numbers divisible by 3 are NOT divisible by 9. As an example, 6, which is divisible by 3, is not divisible by 9. However, all numbers divisible by 9 are also divisible by 3 because 9 is divisible by 3.