The winning Michigan Daily 4 numbers for October 21, 2010 were: midday 2-9-7-5; evening 3-9-6-4.
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, 2010 | Evening | 3-9-6-4 | 22 | 4 |
| Oct 21, 2010 | Midday | 2-9-7-5 | 23 | 5 |
| Oct 20, 2010 | Evening | 1-7-3-5 | 16 | 7 |
| Oct 20, 2010 | Midday | 8-1-2-8 | 19 | 1 |
| Oct 19, 2010 | Evening | 0-6-7-7 | 20 | 2 |
| Oct 19, 2010 | Midday | 6-1-3-3 | 13 | 4 |
| Oct 18, 2010 | Evening | 9-6-3-0 | 18 | 9 |
| Oct 18, 2010 | Midday | 0-0-6-2 | 8 | 8 |
| Oct 17, 2010 | Evening | 6-2-0-7 | 15 | 6 |
| Oct 17, 2010 | Midday | 8-9-3-4 | 24 | 6 |
| Oct 16, 2010 | Evening | 2-1-2-3 | 8 | 8 |
| Oct 16, 2010 | Midday | 2-5-0-9 | 16 | 7 |
| Oct 15, 2010 | Evening | 5-4-3-4 | 16 | 7 |
| Oct 15, 2010 | Midday | 2-7-8-9 | 26 | 8 |