The winning Michigan Daily 4 numbers for January 15, 1998 were: midday 1-3-7-4; evening 8-6-4-2.
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 |
|---|---|---|---|---|
| Jan 15, 1998 | Evening | 8-6-4-2 | 20 | 2 |
| Jan 15, 1998 | Midday | 1-3-7-4 | 15 | 6 |
| Jan 14, 1998 | Evening | 1-9-9-4 | 23 | 5 |
| Jan 14, 1998 | Midday | 0-2-6-3 | 11 | 2 |
| Jan 13, 1998 | Evening | 7-2-5-6 | 20 | 2 |
| Jan 13, 1998 | Midday | 3-3-8-5 | 19 | 1 |
| Jan 12, 1998 | Evening | 7-7-2-8 | 24 | 6 |
| Jan 12, 1998 | Midday | 8-5-4-8 | 25 | 7 |
| Jan 10, 1998 | Evening | 7-0-7-6 | 20 | 2 |
| Jan 10, 1998 | Midday | 4-1-9-2 | 16 | 7 |
| Jan 9, 1998 | Evening | 0-4-0-4 | 8 | 8 |
| Jan 9, 1998 | Midday | 9-6-0-8 | 23 | 5 |