The winning Michigan Daily 3 numbers for October 21, 2021 were: midday 8-0-1; evening 2-8-1.
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 |
|---|---|---|---|---|
| Oct 21, 2021 | Evening | 2-8-1 | 11 | 2 |
| Oct 21, 2021 | Midday | 8-0-1 | 9 | 9 |
| Oct 20, 2021 | Evening | 7-3-3 | 13 | 4 |
| Oct 20, 2021 | Midday | 5-7-5 | 17 | 8 |
| Oct 19, 2021 | Evening | 2-5-4 | 11 | 2 |
| Oct 19, 2021 | Midday | 6-7-7 | 20 | 2 |
| Oct 18, 2021 | Evening | 7-1-2 | 10 | 1 |
| Oct 18, 2021 | Midday | 1-6-4 | 11 | 2 |
| Oct 17, 2021 | Evening | 7-2-9 | 18 | 9 |
| Oct 17, 2021 | Midday | 2-7-6 | 15 | 6 |
| Oct 16, 2021 | Evening | 7-9-5 | 21 | 3 |
| Oct 16, 2021 | Midday | 7-1-1 | 9 | 9 |
| Oct 15, 2021 | Evening | 5-8-4 | 17 | 8 |
| Oct 15, 2021 | Midday | 1-2-7 | 10 | 1 |