The winning Michigan Daily 4 numbers for September 21, 2015 were: midday 1-9-3-6; evening 3-7-1-2.
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).
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 21, 2015 | Evening | 3-7-1-2 | 13 | 4 |
| Sep 21, 2015 | Midday | 1-9-3-6 | 19 | 1 |
| Sep 20, 2015 | Evening | 2-5-2-0 | 9 | 9 |
| Sep 20, 2015 | Midday | 0-5-0-3 | 8 | 8 |
| Sep 19, 2015 | Evening | 9-3-1-6 | 19 | 1 |
| Sep 19, 2015 | Midday | 0-0-9-0 | 9 | 9 |
| Sep 18, 2015 | Evening | 1-9-2-8 | 20 | 2 |
| Sep 18, 2015 | Midday | 1-4-7-7 | 19 | 1 |
| Sep 17, 2015 | Evening | 4-3-4-3 | 14 | 5 |
| Sep 17, 2015 | Midday | 3-9-6-4 | 22 | 4 |
| Sep 16, 2015 | Evening | 7-2-5-3 | 17 | 8 |
| Sep 16, 2015 | Midday | 8-9-1-8 | 26 | 8 |
| Sep 15, 2015 | Evening | 1-7-4-8 | 20 | 2 |
| Sep 15, 2015 | Midday | 4-4-8-6 | 22 | 4 |