The winning Delaware Play 4 numbers for February 21, 2016 were: night 5-7-1-6.
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).
| Date | Draw | Numbers | Sum | Root |
|---|---|---|---|---|
| Feb 21, 2016 | Night | 5-7-1-6 | 19 | 1 |
| Feb 20, 2016 | Night | 0-9-6-2 | 17 | 8 |
| Feb 20, 2016 | Day | 5-7-7-1 | 20 | 2 |
| Feb 19, 2016 | Night | 9-7-9-6 | 31 | 4 |
| Feb 19, 2016 | Day | 2-8-0-1 | 11 | 2 |
| Feb 18, 2016 | Night | 6-6-2-8 | 22 | 4 |
| Feb 18, 2016 | Day | 9-6-3-9 | 27 | 9 |
| Feb 17, 2016 | Night | 6-4-1-8 | 19 | 1 |
| Feb 17, 2016 | Day | 9-0-2-2 | 13 | 4 |
| Feb 16, 2016 | Night | 5-8-2-2 | 17 | 8 |
| Feb 16, 2016 | Day | 8-5-9-0 | 22 | 4 |
| Feb 15, 2016 | Night | 3-4-7-8 | 22 | 4 |
| Feb 15, 2016 | Day | 0-5-1-5 | 11 | 2 |