The winning Delaware Play 4 numbers for October 20, 1998 were: day 9-7-5-0; night 8-0-5-6.
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 20, 1998 | Night | 8-0-5-6 | 19 | 1 |
| Oct 20, 1998 | Day | 9-7-5-0 | 21 | 3 |
| Oct 19, 1998 | Night | 9-7-1-3 | 20 | 2 |
| Oct 19, 1998 | Day | 1-1-6-7 | 15 | 6 |
| Oct 18, 1998 | Night | 1-6-9-8 | 24 | 6 |
| Oct 17, 1998 | Night | 8-6-8-5 | 27 | 9 |
| Oct 17, 1998 | Day | 8-3-2-3 | 16 | 7 |
| Oct 16, 1998 | Night | 3-2-7-5 | 17 | 8 |
| Oct 16, 1998 | Day | 1-1-6-0 | 8 | 8 |
| Oct 15, 1998 | Night | 3-2-1-6 | 12 | 3 |
| Oct 15, 1998 | Day | 3-4-1-4 | 12 | 3 |
| Oct 14, 1998 | Night | 7-0-8-4 | 19 | 1 |
| Oct 14, 1998 | Day | 4-0-2-6 | 12 | 3 |