With a total of 90,000 five digit numbers, we can conclude that there is 45,000 EVEN five digit numbers.
There are different ways for making different numbers.
There are five such numbers.
24680 using only even numbers or 12346 which is an even number
Considering the lowest five digit hexadecimal number is 10000 (65,536) and the highest is FFFFF (1,048,575), there are 983,040 different hexadecimal numbers that are five digits.
All five digit numbers have three digits. The smallest five digit whole number is 10,000
There are only five distinct odd digits.