The winning Delaware Play 4 numbers for September 21, 2006 were: day 6-5-7-4; night 5-7-3-1.
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, 2006 | Night | 5-7-3-1 | 16 | 7 |
| Sep 21, 2006 | Day | 6-5-7-4 | 22 | 4 |
| Sep 20, 2006 | Night | 1-2-6-6 | 15 | 6 |
| Sep 20, 2006 | Day | 9-7-9-9 | 34 | 7 |
| Sep 19, 2006 | Night | 2-0-5-8 | 15 | 6 |
| Sep 19, 2006 | Day | 7-1-1-8 | 17 | 8 |
| Sep 18, 2006 | Night | 0-7-9-8 | 24 | 6 |
| Sep 18, 2006 | Day | 0-8-7-4 | 19 | 1 |
| Sep 17, 2006 | Night | 7-3-0-4 | 14 | 5 |
| Sep 16, 2006 | Night | 2-4-3-4 | 13 | 4 |
| Sep 16, 2006 | Day | 9-6-9-0 | 24 | 6 |
| Sep 15, 2006 | Night | 0-3-2-8 | 13 | 4 |
| Sep 15, 2006 | Day | 1-4-0-0 | 5 | 5 |