The winning Delaware Play 4 numbers for September 1, 1999 were: day 2-5-3-8; night 2-7-5-8.
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 1, 1999 | Night | 2-7-5-8 | 22 | 4 |
| Sep 1, 1999 | Day | 2-5-3-8 | 18 | 9 |
| Aug 31, 1999 | Night | 2-7-8-1 | 18 | 9 |
| Aug 31, 1999 | Day | 9-2-1-6 | 18 | 9 |
| Aug 30, 1999 | Night | 0-3-7-9 | 19 | 1 |
| Aug 30, 1999 | Day | 4-0-8-8 | 20 | 2 |
| Aug 29, 1999 | Night | 6-9-3-8 | 26 | 8 |
| Aug 28, 1999 | Night | 0-2-2-2 | 6 | 6 |
| Aug 28, 1999 | Day | 4-1-0-7 | 12 | 3 |
| Aug 27, 1999 | Night | 4-3-3-6 | 16 | 7 |
| Aug 27, 1999 | Day | 6-5-3-8 | 22 | 4 |
| Aug 26, 1999 | Night | 8-6-5-1 | 20 | 2 |
| Aug 26, 1999 | Day | 9-1-8-1 | 19 | 1 |