The winning Michigan Daily 4 numbers for October 15, 1998 were: midday 4-5-9-1; evening 9-9-5-4.
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 15, 1998 | Evening | 9-9-5-4 | 27 | 9 |
| Oct 15, 1998 | Midday | 4-5-9-1 | 19 | 1 |
| Oct 14, 1998 | Evening | 5-9-0-9 | 23 | 5 |
| Oct 14, 1998 | Midday | 4-0-1-7 | 12 | 3 |
| Oct 13, 1998 | Evening | 8-2-7-1 | 18 | 9 |
| Oct 13, 1998 | Midday | 1-8-5-9 | 23 | 5 |
| Oct 12, 1998 | Evening | 8-5-4-2 | 19 | 1 |
| Oct 12, 1998 | Midday | 7-7-2-0 | 16 | 7 |
| Oct 10, 1998 | Evening | 4-7-9-9 | 29 | 2 |
| Oct 10, 1998 | Midday | 5-2-5-1 | 13 | 4 |
| Oct 9, 1998 | Evening | 3-1-5-7 | 16 | 7 |
| Oct 9, 1998 | Midday | 4-4-6-3 | 17 | 8 |