The winning Delaware Play 4 numbers for October 21, 2015 were: day 2-0-5-2; night 8-2-0-0.
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 |
|---|---|---|---|---|
| Oct 21, 2015 | Night | 8-2-0-0 | 10 | 1 |
| Oct 21, 2015 | Day | 2-0-5-2 | 9 | 9 |
| Oct 20, 2015 | Night | 6-3-3-6 | 18 | 9 |
| Oct 20, 2015 | Day | 3-3-8-0 | 14 | 5 |
| Oct 19, 2015 | Night | 8-0-6-5 | 19 | 1 |
| Oct 19, 2015 | Day | 8-2-6-8 | 24 | 6 |
| Oct 18, 2015 | Night | 0-1-6-6 | 13 | 4 |
| Oct 17, 2015 | Night | 1-4-0-3 | 8 | 8 |
| Oct 17, 2015 | Day | 4-9-8-4 | 25 | 7 |
| Oct 16, 2015 | Night | 7-1-7-5 | 20 | 2 |
| Oct 16, 2015 | Day | 7-8-4-2 | 21 | 3 |
| Oct 15, 2015 | Night | 6-3-8-9 | 26 | 8 |
| Oct 15, 2015 | Day | 2-1-8-9 | 20 | 2 |