No, but they can be whole numbers.
10
The largest whole number that uses all ten digits just once is 9876543210.
which is greater, whole number with 5 digits or the whole number with 6 digits?
The greatest whole number with 5 digits is 99,999. The next greater whole number is 100,000, which is the least whole number having 6 digits.
The least whole number with 6 digits is greater because it has more digits than 5 digits.
Ten digits= 1 billion
86,420
The largest ten digit number with no repeated digits is '9876543210'.
The least whole number with 6 digits, since 100000 > 99999
(of a number) altereing for convenience of expression or calculation, for example to the nearest whole number or multiple of ten or five:
99999 and 100000
Ten digits