The winning Delaware Play 4 numbers for September 22, 1997 were: day 7-9-9-3; night 4-8-1-9.
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 |
|---|---|---|---|---|
| Sep 22, 1997 | Night | 4-8-1-9 | 22 | 4 |
| Sep 22, 1997 | Day | 7-9-9-3 | 28 | 1 |
| Sep 21, 1997 | Night | 9-6-9-4 | 28 | 1 |
| Sep 20, 1997 | Night | 5-2-8-3 | 18 | 9 |
| Sep 20, 1997 | Day | 8-0-3-7 | 18 | 9 |
| Sep 19, 1997 | Night | 9-1-4-8 | 22 | 4 |
| Sep 19, 1997 | Day | 6-3-0-6 | 15 | 6 |
| Sep 18, 1997 | Night | 8-9-2-5 | 24 | 6 |
| Sep 18, 1997 | Day | 2-7-2-0 | 11 | 2 |
| Sep 17, 1997 | Night | 4-3-5-1 | 13 | 4 |
| Sep 17, 1997 | Day | 5-7-1-8 | 21 | 3 |
| Sep 16, 1997 | Night | 2-8-2-2 | 14 | 5 |
| Sep 16, 1997 | Day | 7-3-2-0 | 12 | 3 |