Divided by 11s.... United by remainders
Number Theory
Level
3
Using the digits 1,4,7 exactly once and as many zeroes as you want, you may form a number. What is the difference between the smallest and largest reminder that can be obtained when the number is divided by 11 ?
This is a part of the set 11≡ awesome (mod remainders)
by
Aditya Raut