The smallest four digit number is 1000. It is even so 1001 is the smallest four digit number that is odd.
The smallest even number you could make using the digits 5, 2, 4, and 7 is 2457. In order to form the smallest even number, the least significant digit (the units digit) must be an even number. By placing the digit 4 in the units place, you create the smallest even number possible.
12346
4579 is the smallest even number he can make
0
The smallest four digit number is 1000. It is even so 1001 is the smallest four digit number that is odd.
100012
The smallest even number you could make using the digits 5, 2, 4, and 7 is 2457. In order to form the smallest even number, the least significant digit (the units digit) must be an even number. By placing the digit 4 in the units place, you create the smallest even number possible.
12346
4579 is the smallest even number he can make
00000 or 00001
0
10234 If you're cheap, you can go 01234
1000
19
1243
-7510 is the smallest.