99999
100*99999 = 9999900100*99999 = 9999900100*99999 = 9999900100*99999 = 9999900
10000 and 99999
If you consider whole numbers, the largest 5 digit number with repetition is 99999 the smallest 4 digit number without repetition is -9876 Their difference is 99999 - (-9876) = 99999 + 9876 = 109875.
99,999 + 99,999 = 199,998
It is 99999.
99999
It is difficult to interpret exactly what you are trying to ask. If you allow your five digit number to have leading zeroes and do not allow negative numbers, then 00000 - 99999 = -99999 is the smallest number. If you do allow negative 5 digit numbers, then (-99999) - 99999 = -199998 is the smallest number.
90000. With 10 digit palindromes, the last 5 digits are the same as the first 5 digits in reverse, eg 12345 54321. So it comes down to how many 5 digit numbers are there? They are the numbers "10000" to "99999", a total of 99999 - 10000 + 1 = 90000.
100000 - 1 = 99999
99999
10,000,800,001 is 99999 times 99999.
100*99999 = 9999900100*99999 = 9999900100*99999 = 9999900100*99999 = 9999900
10000 and 99999
There are 3598 numbers between 10000 and 99999 which are divisible by 25. They are elements of the set of numbers of the form 25*k, where k is an integer between 41 and 3999 (inclusive).
99999. And if all the digits need to be different, it is 98765.
3456 - 99999 = -96,543