The winning Delaware Play 4 numbers for October 4, 1998 were: night 4-5-5-5.
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 4, 1998 | Night | 4-5-5-5 | 19 | 1 |
| Oct 3, 1998 | Night | 7-3-7-7 | 24 | 6 |
| Oct 3, 1998 | Day | 2-4-8-6 | 20 | 2 |
| Oct 2, 1998 | Night | 0-5-3-0 | 8 | 8 |
| Oct 2, 1998 | Day | 7-3-1-6 | 17 | 8 |
| Oct 1, 1998 | Night | 5-0-3-9 | 17 | 8 |
| Oct 1, 1998 | Day | 3-9-2-3 | 17 | 8 |
| Sep 30, 1998 | Night | 5-7-4-9 | 25 | 7 |
| Sep 30, 1998 | Day | 7-5-4-1 | 17 | 8 |
| Sep 29, 1998 | Night | 6-0-2-4 | 12 | 3 |
| Sep 29, 1998 | Day | 0-8-7-9 | 24 | 6 |
| Sep 28, 1998 | Night | 5-4-1-1 | 11 | 2 |
| Sep 28, 1998 | Day | 6-0-7-9 | 22 | 4 |