The winning Delaware Play 3 numbers for September 15, 1997 were: day 1-3-7; night 3-3-0.
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).
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 15, 1997 | Night | 3-3-0 | 6 | 6 |
| Sep 15, 1997 | Day | 1-3-7 | 11 | 2 |
| Sep 14, 1997 | Night | 5-5-5 | 15 | 6 |
| Sep 13, 1997 | Night | 8-9-6 | 23 | 5 |
| Sep 13, 1997 | Day | 9-5-4 | 18 | 9 |
| Sep 12, 1997 | Night | 0-4-9 | 13 | 4 |
| Sep 12, 1997 | Day | 5-9-4 | 18 | 9 |
| Sep 11, 1997 | Night | 5-3-2 | 10 | 1 |
| Sep 11, 1997 | Day | 2-2-5 | 9 | 9 |
| Sep 10, 1997 | Night | 6-7-7 | 20 | 2 |
| Sep 10, 1997 | Day | 9-7-2 | 18 | 9 |
| Sep 9, 1997 | Night | 7-9-9 | 25 | 7 |
| Sep 9, 1997 | Day | 5-0-2 | 7 | 7 |