The winning Michigan Daily 4 numbers for December 21, 1989 were: evening 1-1-1-6.
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 |
|---|---|---|---|---|
| Dec 21, 1989 | Evening | 1-1-1-6 | 9 | 9 |
| Dec 20, 1989 | Evening | 2-9-6-7 | 24 | 6 |
| Dec 19, 1989 | Evening | 8-4-7-5 | 24 | 6 |
| Dec 18, 1989 | Evening | 9-4-0-1 | 14 | 5 |
| Dec 16, 1989 | Evening | 4-2-2-8 | 16 | 7 |
| Dec 15, 1989 | Evening | 1-6-3-6 | 16 | 7 |