Step 1: Divide the number into separate digits:
58434 => 5 8 4 3 4
Step 2: Calculate the distance between each digit and the next (the last digit with the first):
5 to 8 = 3
8 to 4 = 4
4 to 3 = 1
3 to 4 = 1
4 to 5 = 1
Step 3: Combine the filters to a string:
3 4 1 1 1 = 34111