The winning Michigan Daily 4 numbers for March 21, 2021 were: midday 4-8-5-2; evening 2-9-1-7.
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 |
|---|---|---|---|---|
| Mar 21, 2021 | Evening | 2-9-1-7 | 19 | 1 |
| Mar 21, 2021 | Midday | 4-8-5-2 | 19 | 1 |
| Mar 20, 2021 | Evening | 2-7-5-9 | 23 | 5 |
| Mar 20, 2021 | Midday | 8-2-2-4 | 16 | 7 |
| Mar 19, 2021 | Evening | 2-7-4-4 | 17 | 8 |
| Mar 19, 2021 | Midday | 1-1-1-4 | 7 | 7 |
| Mar 18, 2021 | Evening | 4-0-8-5 | 17 | 8 |
| Mar 18, 2021 | Midday | 6-9-5-7 | 27 | 9 |
| Mar 17, 2021 | Evening | 9-1-6-7 | 23 | 5 |
| Mar 17, 2021 | Midday | 5-8-5-2 | 20 | 2 |
| Mar 16, 2021 | Evening | 2-1-7-7 | 17 | 8 |
| Mar 16, 2021 | Midday | 6-0-8-0 | 14 | 5 |
| Mar 15, 2021 | Evening | 4-3-4-0 | 11 | 2 |
| Mar 15, 2021 | Midday | 1-2-6-2 | 11 | 2 |