The winning Michigan Daily 4 numbers for May 21, 2017 were: midday 1-1-0-3; evening 1-6-7-5.
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 |
|---|---|---|---|---|
| May 21, 2017 | Evening | 1-6-7-5 | 19 | 1 |
| May 21, 2017 | Midday | 1-1-0-3 | 5 | 5 |
| May 20, 2017 | Evening | 5-7-3-3 | 18 | 9 |
| May 20, 2017 | Midday | 0-8-0-2 | 10 | 1 |
| May 19, 2017 | Evening | 1-1-2-0 | 4 | 4 |
| May 19, 2017 | Midday | 6-6-7-8 | 27 | 9 |
| May 18, 2017 | Evening | 4-5-3-1 | 13 | 4 |
| May 18, 2017 | Midday | 4-6-9-0 | 19 | 1 |
| May 17, 2017 | Evening | 8-2-8-4 | 22 | 4 |
| May 17, 2017 | Midday | 6-4-0-9 | 19 | 1 |
| May 16, 2017 | Evening | 7-9-3-5 | 24 | 6 |
| May 16, 2017 | Midday | 8-9-2-6 | 25 | 7 |
| May 15, 2017 | Evening | 3-9-7-5 | 24 | 6 |
| May 15, 2017 | Midday | 7-3-8-8 | 26 | 8 |