The winning Michigan Daily 4 numbers for August 21, 1986 were: evening 8-1-1-2.
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 |
|---|---|---|---|---|
| Aug 21, 1986 | Evening | 8-1-1-2 | 12 | 3 |
| Aug 20, 1986 | Evening | 8-3-2-5 | 18 | 9 |
| Aug 19, 1986 | Evening | 1-2-7-5 | 15 | 6 |
| Aug 18, 1986 | Evening | 2-8-6-7 | 23 | 5 |
| Aug 16, 1986 | Evening | 5-4-3-5 | 17 | 8 |
| Aug 15, 1986 | Evening | 1-9-7-2 | 19 | 1 |