105 - is the smallest tree-digit number that has the digit 5
The smallest 5 digit number you can write is 10000.
The smallest three digit multiple of 15 is 105, which is 15 x 7.
01234 is, technically a 4-digit number. Also, 10234 is not the smallest 5 digit number. The smallest 5 digit [positive] number is 10000.
The smallest, positive 5-digit whole number is 10,000
The smalest 5 digit number is 10000.
This depends on the type of number you want. For integers, the answer is 105. For real numbers, the answer is -.005.
10,234 is the smallest 5-digit number meeting your restrictions.
the greatest is bigger than the smallest