The winning Michigan Daily 4 numbers for July 21, 1998 were: midday 8-1-9-7; evening 6-8-6-0.
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 |
|---|---|---|---|---|
| Jul 21, 1998 | Evening | 6-8-6-0 | 20 | 2 |
| Jul 21, 1998 | Midday | 8-1-9-7 | 25 | 7 |
| Jul 20, 1998 | Evening | 0-4-0-3 | 7 | 7 |
| Jul 20, 1998 | Midday | 3-1-2-6 | 12 | 3 |
| Jul 18, 1998 | Evening | 1-9-0-4 | 14 | 5 |
| Jul 18, 1998 | Midday | 2-8-5-4 | 19 | 1 |
| Jul 17, 1998 | Evening | 0-7-7-1 | 15 | 6 |
| Jul 17, 1998 | Midday | 3-4-5-7 | 19 | 1 |
| Jul 16, 1998 | Evening | 3-2-7-6 | 18 | 9 |
| Jul 16, 1998 | Midday | 6-1-4-6 | 17 | 8 |
| Jul 15, 1998 | Evening | 4-5-3-0 | 12 | 3 |
| Jul 15, 1998 | Midday | 3-7-4-7 | 21 | 3 |