The winning Delaware Play 4 numbers for July 16, 1997 were: day 0-2-7-8; night 4-2-2-1.
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 |
|---|---|---|---|---|
| Jul 16, 1997 | Night | 4-2-2-1 | 9 | 9 |
| Jul 16, 1997 | Day | 0-2-7-8 | 17 | 8 |
| Jul 15, 1997 | Night | 9-2-7-7 | 25 | 7 |
| Jul 15, 1997 | Day | 0-9-4-5 | 18 | 9 |
| Jul 14, 1997 | Night | 9-6-0-5 | 20 | 2 |
| Jul 14, 1997 | Day | 2-4-9-3 | 18 | 9 |
| Jul 13, 1997 | Night | 3-3-6-0 | 12 | 3 |
| Jul 12, 1997 | Night | 8-1-7-1 | 17 | 8 |
| Jul 12, 1997 | Day | 8-9-0-8 | 25 | 7 |
| Jul 11, 1997 | Night | 2-8-7-1 | 18 | 9 |
| Jul 11, 1997 | Day | 8-7-2-8 | 25 | 7 |
| Jul 10, 1997 | Night | 6-5-6-3 | 20 | 2 |
| Jul 10, 1997 | Day | 2-6-3-8 | 19 | 1 |