10000
This 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.
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Smallest even number 2Smallest odd number 12 + 1 = 3
zero is the smallest even number (0)
The smallest even number using this combination of digits is 2568.
The smallest and only even prime number is 2, as it can only be divided by 1 and itself.
The smallest even 4-digit number using the digits 5, 7, 4, and 9 is 4579. To create the smallest number, we start by placing the smallest digit, which is 4, in the thousands place to ensure it is a 4-digit number. Since we need to make it an even number, the units place must be an even number, so we use 4. Placing 5 in the hundreds place and 7 in the tens place gives us the smallest even 4-digit number, 4579.