99,990.
1
The number 9 is the greatest one-digit number.
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The greatest 3-digit number is 999. 9+9+9 = 27 The sum of the greatest 3-digit number is 27.
the greatest is bigger than the smallest
98765
99,999
No 5 digit number can equal 12 and so there can be no answer to the question.
10,003
The smallest 5 digit odd number is: 10001 The greatest 4 digit even number is: 9998 Subtracting 9998 from 10001 gives you 3.
99987
99999
The greatest 3-digit number that is not divisible by 2, 3, 5, or 10 is 997.
99,990.
995
It is 99992.