The winning Delaware Play 4 numbers for September 21, 2015 were: day 5-2-2-2; night 6-4-4-4.
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, 2015 | Night | 6-4-4-4 | 18 | 9 |
| Sep 21, 2015 | Day | 5-2-2-2 | 11 | 2 |
| Sep 20, 2015 | Night | 5-5-6-2 | 18 | 9 |
| Sep 19, 2015 | Night | 5-4-7-4 | 20 | 2 |
| Sep 19, 2015 | Day | 9-9-2-8 | 28 | 1 |
| Sep 18, 2015 | Night | 3-5-7-9 | 24 | 6 |
| Sep 18, 2015 | Day | 1-9-7-6 | 23 | 5 |
| Sep 17, 2015 | Night | 7-5-8-6 | 26 | 8 |
| Sep 17, 2015 | Day | 7-4-7-2 | 20 | 2 |
| Sep 16, 2015 | Night | 5-3-3-2 | 13 | 4 |
| Sep 16, 2015 | Day | 2-6-7-7 | 22 | 4 |
| Sep 15, 2015 | Night | 2-4-8-4 | 18 | 9 |
| Sep 15, 2015 | Day | 6-4-5-6 | 21 | 3 |