Step 1: Divide the number into separate digits:
10457 => 1 0 4 5 7
Step 2: Calculate the distance between each digit and the next (the last digit with the first):
1 to 0 = 1
0 to 4 = 4
4 to 5 = 1
5 to 7 = 2
7 to 1 = 6
Step 3: Combine the filters to a string:
1 4 1 2 6 = 14126