11 11 = 285311670611 is the largest possible number with four 1s.
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9999 is the largest 4-digit number.When added with 1 it becomes 10000. 9999 + 1 = 10000.
The largest four digit whole number that is a multiple of 7 is 9,996.Find the largest four digit number : 9999Divide 9999 by 7Round the answer down to the nearest whole numberMultiply the answer from #3 by 7
9999
If you allow non integers, then your smallest four-digit number would be .0001. If you only allow integers, then your smallest four-digit number would be 1000. Your largest four-digit number would be 9999.
The largest four-digit prime number is 9973.