If you count 0000 to 9999 you have 10,000. For whole numbers you have 9999.
* * * * *
Not sure about "whole" numbers. There are 10,000 in all, of which 9000 (from 1000 to 9999) do not have leading 0s.
2240
In base ten, there are 9000 four digit number, the numbers are from 1000 to 9999. If you allow leading zeros, then there are 10000 numbers. [0000 - 9999]
1234
18, if leading 0s are disallowed.
128
7000 - 999 ie 6001 four digit numbers
900 numbers
There are 12 such numbers.
9,000
90
2240
There are 7200 such numbers.
625 if numbers can have leading 0s, 500 otherwise.
67 of them.
500 or so.
The numbers from 1000 to 9999 are all 4 digits, as are -1000 to -9999. Therefore there are 18,000 four-digit numbers in all.
The numbers from 1000 to 9999 are all 4 digits, as are -1000 to -9999. Therefore there are 18,000 four-digit numbers in all.