The winning Delaware Play 4 numbers for September 21, 2011 were: day 9-0-7-5; night 6-2-2-6.
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, 2011 | Night | 6-2-2-6 | 16 | 7 |
| Sep 21, 2011 | Day | 9-0-7-5 | 21 | 3 |
| Sep 20, 2011 | Night | 9-3-1-4 | 17 | 8 |
| Sep 20, 2011 | Day | 2-5-9-1 | 17 | 8 |
| Sep 19, 2011 | Night | 1-3-1-3 | 8 | 8 |
| Sep 19, 2011 | Day | 5-7-4-5 | 21 | 3 |
| Sep 18, 2011 | Night | 8-4-5-0 | 17 | 8 |
| Sep 17, 2011 | Night | 9-7-2-8 | 26 | 8 |
| Sep 17, 2011 | Day | 3-6-1-2 | 12 | 3 |
| Sep 16, 2011 | Night | 0-9-6-9 | 24 | 6 |
| Sep 16, 2011 | Day | 3-2-5-5 | 15 | 6 |
| Sep 15, 2011 | Night | 3-4-1-1 | 9 | 9 |
| Sep 15, 2011 | Day | 4-7-0-7 | 18 | 9 |