RADAR - the number is same backwards and forwards ie: 4330334
Ladder - number is either ascending or descending in order ie: 1234567 or 8765432
solid - number is all the same digit ie: 8888888
swims/rotator - number that will read the same way even if the note is inverted ie: 6808089
repeater - a number with a 1-4 digit repeating sequence AAAAAAA, ABABABA, ABCABCA,ABCDABC