The winning Michigan Daily 3 numbers for February 21, 1997 were: midday 4-7-5; evening 4-2-9.
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, 1997 | Evening | 4-2-9 | 15 | 6 |
| Feb 21, 1997 | Midday | 4-7-5 | 16 | 7 |
| Feb 20, 1997 | Evening | 8-6-1 | 15 | 6 |
| Feb 20, 1997 | Midday | 7-8-4 | 19 | 1 |
| Feb 19, 1997 | Evening | 2-1-8 | 11 | 2 |
| Feb 19, 1997 | Midday | 5-8-2 | 15 | 6 |
| Feb 18, 1997 | Evening | 8-0-8 | 16 | 7 |
| Feb 18, 1997 | Midday | 7-8-2 | 17 | 8 |
| Feb 17, 1997 | Evening | 4-7-0 | 11 | 2 |
| Feb 17, 1997 | Midday | 2-1-5 | 8 | 8 |
| Feb 15, 1997 | Evening | 8-5-7 | 20 | 2 |
| Feb 15, 1997 | Midday | 6-6-3 | 15 | 6 |