The winning Michigan Daily 4 numbers for February 21, 2011 were: midday 4-1-8-0; evening 5-6-8-4.
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 |
|---|---|---|---|---|
| Feb 21, 2011 | Evening | 5-6-8-4 | 23 | 5 |
| Feb 21, 2011 | Midday | 4-1-8-0 | 13 | 4 |
| Feb 20, 2011 | Evening | 8-5-4-1 | 18 | 9 |
| Feb 20, 2011 | Midday | 3-5-1-7 | 16 | 7 |
| Feb 19, 2011 | Evening | 8-8-1-3 | 20 | 2 |
| Feb 19, 2011 | Midday | 7-6-5-6 | 24 | 6 |
| Feb 18, 2011 | Evening | 0-1-5-9 | 15 | 6 |
| Feb 18, 2011 | Midday | 0-9-4-7 | 20 | 2 |
| Feb 17, 2011 | Evening | 2-1-2-2 | 7 | 7 |
| Feb 17, 2011 | Midday | 9-3-2-6 | 20 | 2 |
| Feb 16, 2011 | Evening | 9-1-2-4 | 16 | 7 |
| Feb 16, 2011 | Midday | 6-5-0-1 | 12 | 3 |
| Feb 15, 2011 | Evening | 9-0-6-0 | 15 | 6 |
| Feb 15, 2011 | Midday | 0-1-1-4 | 6 | 6 |