The winning Delaware Play 4 numbers for September 13, 1998 were: night 8-2-7-0.
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).
| Date | Draw | Numbers | Sum | Root |
|---|---|---|---|---|
| Sep 13, 1998 | Night | 8-2-7-0 | 17 | 8 |
| Sep 12, 1998 | Night | 4-0-8-7 | 19 | 1 |
| Sep 12, 1998 | Day | 3-2-8-6 | 19 | 1 |
| Sep 11, 1998 | Night | 7-5-5-1 | 18 | 9 |
| Sep 11, 1998 | Day | 3-6-4-9 | 22 | 4 |
| Sep 10, 1998 | Night | 3-6-3-2 | 14 | 5 |
| Sep 10, 1998 | Day | 4-8-0-5 | 17 | 8 |
| Sep 9, 1998 | Night | 1-9-7-7 | 24 | 6 |
| Sep 9, 1998 | Day | 8-3-8-1 | 20 | 2 |
| Sep 8, 1998 | Night | 2-4-7-5 | 18 | 9 |
| Sep 8, 1998 | Day | 7-1-6-5 | 19 | 1 |
| Sep 7, 1998 | Night | 6-1-4-8 | 19 | 1 |
| Sep 7, 1998 | Day | 8-4-5-1 | 18 | 9 |