Yuo can make only one combination of 30 digits using 30 digits.
Twelve thousand seven hundred written in numerals is 12, 700. This has 5 digits.
The digits are the first 10 nonnegative integers (0, 1, 2, 3, 4, 5, 6, 7, 8, & 9) and they are the symbols which make up all numerals. For example, the number 9 is a numeral & a digit, but say 19, which is also a single numeral is at the same time a compilation of two digits in a certain order
8643
531
The largest Roman numeral number that can be made without using a bar is 3,999, which is represented by the letters MMMCMXCIX.
Numbers and fingers are both called digits.
It is 4579.
98765.
Using only positive digits, and disregarding their order, 3 ways.
9531
752