The winning Delaware Play 4 numbers for September 21, 2005 were: day 4-7-4-0; night 9-9-3-7.
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 21, 2005 | Night | 9-9-3-7 | 28 | 1 |
| Sep 21, 2005 | Day | 4-7-4-0 | 15 | 6 |
| Sep 20, 2005 | Night | 8-1-3-8 | 20 | 2 |
| Sep 20, 2005 | Day | 0-6-6-4 | 16 | 7 |
| Sep 19, 2005 | Night | 4-3-0-9 | 16 | 7 |
| Sep 19, 2005 | Day | 1-8-1-0 | 10 | 1 |
| Sep 18, 2005 | Night | 0-5-4-3 | 12 | 3 |
| Sep 17, 2005 | Night | 9-2-1-2 | 14 | 5 |
| Sep 17, 2005 | Day | 2-9-7-8 | 26 | 8 |
| Sep 16, 2005 | Night | 8-4-5-7 | 24 | 6 |
| Sep 16, 2005 | Day | 8-7-5-2 | 22 | 4 |
| Sep 15, 2005 | Night | 7-4-3-4 | 18 | 9 |
| Sep 15, 2005 | Day | 1-6-6-2 | 15 | 6 |