The winning Delaware Play 4 numbers for August 21, 1997 were: day 1-2-7-7; night 8-5-9-3.
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 |
|---|---|---|---|---|
| Aug 21, 1997 | Night | 8-5-9-3 | 25 | 7 |
| Aug 21, 1997 | Day | 1-2-7-7 | 17 | 8 |
| Aug 20, 1997 | Night | 7-4-9-6 | 26 | 8 |
| Aug 20, 1997 | Day | 9-2-1-4 | 16 | 7 |
| Aug 19, 1997 | Night | 9-4-7-1 | 21 | 3 |
| Aug 19, 1997 | Day | 3-5-2-6 | 16 | 7 |
| Aug 18, 1997 | Night | 6-2-5-1 | 14 | 5 |
| Aug 18, 1997 | Day | 6-6-6-9 | 27 | 9 |
| Aug 17, 1997 | Night | 5-5-6-4 | 20 | 2 |
| Aug 16, 1997 | Night | 0-2-8-9 | 19 | 1 |
| Aug 16, 1997 | Day | 3-9-1-1 | 14 | 5 |
| Aug 15, 1997 | Night | 4-1-8-8 | 21 | 3 |
| Aug 15, 1997 | Day | 8-3-4-8 | 23 | 5 |