The winning Michigan Daily 3 numbers for October 17, 1991 were: evening 2-1-4.
Sum is the digits added together (5+5+0 = 10). Root sum keeps adding until one digit is left (10 → 1+0 = 1) — many regular players track it in their notebooks. Odd/Even marks each digit O or E (5-5-0 = OOE). High/Low marks 0–4 as L and 5–9 as H (5-5-0 = HHL).
| Date | Draw | Numbers | Sum | Root |
|---|---|---|---|---|
| Oct 17, 1991 | Evening | 2-1-4 | 7 | 7 |
| Oct 16, 1991 | Evening | 1-0-9 | 10 | 1 |
| Oct 15, 1991 | Evening | 4-2-5 | 11 | 2 |
| Oct 14, 1991 | Evening | 8-3-1 | 12 | 3 |
| Oct 12, 1991 | Evening | 5-9-4 | 18 | 9 |
| Oct 11, 1991 | Evening | 8-9-0 | 17 | 8 |