The winning Delaware Play 4 numbers for February 9, 1998 were: day 7-0-9-9; night 8-5-1-7.
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 |
|---|---|---|---|---|
| Feb 9, 1998 | Night | 8-5-1-7 | 21 | 3 |
| Feb 9, 1998 | Day | 7-0-9-9 | 25 | 7 |
| Feb 8, 1998 | Night | 5-3-6-9 | 23 | 5 |
| Feb 7, 1998 | Night | 5-9-0-3 | 17 | 8 |
| Feb 7, 1998 | Day | 0-3-7-2 | 12 | 3 |
| Feb 6, 1998 | Night | 7-7-3-9 | 26 | 8 |
| Feb 6, 1998 | Day | 6-3-9-9 | 27 | 9 |
| Feb 5, 1998 | Night | 5-2-0-3 | 10 | 1 |
| Feb 5, 1998 | Day | 3-9-9-2 | 23 | 5 |
| Feb 4, 1998 | Night | 5-1-4-7 | 17 | 8 |
| Feb 4, 1998 | Day | 0-7-5-6 | 18 | 9 |
| Feb 3, 1998 | Night | 4-1-7-7 | 19 | 1 |
| Feb 3, 1998 | Day | 5-0-9-7 | 21 | 3 |