Take the smallest 6-digit even number, then subtract one from it.
105 - is the smallest tree-digit number that has the digit 5
The smallest 5 digit odd number is: 10001 The greatest 4 digit even number is: 9998 Subtracting 9998 from 10001 gives you 3.
99999 - 1000 = 98999
00000 or 00001
The smallest 5 digit number you can write is 10000.
4579 is the smallest even number he can make
The smallest, positive 5-digit whole number is 10,000
10000This is an even number, and the number immediately preceding it is 9999, which has only four digits.Hence it is the smallest 5-digit even number.Note that here we're not considering negative numbers. If we consider negative numbers, then the smallest 5-digit even number would be -99998.The number immediately preceding it is -99999, which is not even, and the number immediately preceding that is -100000, which has six digits.
01234 is, technically a 4-digit number. Also, 10234 is not the smallest 5 digit number. The smallest 5 digit [positive] number is 10000.