The winning Michigan Daily 3 numbers for September 17, 2021 were: midday 6-8-9; evening 7-6-8.
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).
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 |
|---|---|---|---|---|
| Sep 17, 2021 | Evening | 7-6-8 | 21 | 3 |
| Sep 17, 2021 | Midday | 6-8-9 | 23 | 5 |
| Sep 16, 2021 | Evening | 6-7-4 | 17 | 8 |
| Sep 16, 2021 | Midday | 5-1-2 | 8 | 8 |
| Sep 15, 2021 | Evening | 3-5-9 | 17 | 8 |
| Sep 15, 2021 | Midday | 1-6-5 | 12 | 3 |
| Sep 14, 2021 | Evening | 9-4-8 | 21 | 3 |
| Sep 14, 2021 | Midday | 2-4-7 | 13 | 4 |
| Sep 13, 2021 | Evening | 7-6-0 | 13 | 4 |
| Sep 13, 2021 | Midday | 2-0-8 | 10 | 1 |
| Sep 12, 2021 | Evening | 2-9-8 | 19 | 1 |
| Sep 12, 2021 | Midday | 7-9-7 | 23 | 5 |
| Sep 11, 2021 | Evening | 9-5-1 | 15 | 6 |
| Sep 11, 2021 | Midday | 4-3-6 | 13 | 4 |