There are 7200 such numbers.
There are no three didgit numbers but there are 63 three digit numbers.
There are 900 three-digit numbers.
300300300300
45
There are 7200 such numbers.
A lot
There are only 999 three digit whole numbers.
There are no three didgit numbers but there are 63 three digit numbers.
171
There are 900 three-digit numbers.
300300300300
45
There are 282 such numbers.
There are 17 such numbers.
757
42 of them.