The winning Delaware Play 4 numbers for October 21, 2009 were: day 5-1-7-9; night 4-6-7-7.
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 |
|---|---|---|---|---|
| Oct 21, 2009 | Night | 4-6-7-7 | 24 | 6 |
| Oct 21, 2009 | Day | 5-1-7-9 | 22 | 4 |
| Oct 20, 2009 | Night | 9-2-3-8 | 22 | 4 |
| Oct 20, 2009 | Day | 3-7-4-3 | 17 | 8 |
| Oct 19, 2009 | Night | 7-1-3-3 | 14 | 5 |
| Oct 19, 2009 | Day | 4-3-0-0 | 7 | 7 |
| Oct 18, 2009 | Night | 4-9-0-8 | 21 | 3 |
| Oct 17, 2009 | Night | 5-0-4-2 | 11 | 2 |
| Oct 17, 2009 | Day | 2-8-7-3 | 20 | 2 |
| Oct 16, 2009 | Night | 3-5-0-2 | 10 | 1 |
| Oct 16, 2009 | Day | 9-2-2-0 | 13 | 4 |
| Oct 15, 2009 | Night | 9-0-0-5 | 14 | 5 |
| Oct 15, 2009 | Day | 4-6-1-1 | 12 | 3 |