The winning Delaware Play 3 numbers for September 17, 2021 were: day 8-5-5; night 4-9-4.
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 17, 2021 | Night | 4-9-4 | 17 | 8 |
| Sep 17, 2021 | Day | 8-5-5 | 18 | 9 |
| Sep 16, 2021 | Night | 9-8-7 | 24 | 6 |
| Sep 16, 2021 | Day | 0-3-0 | 3 | 3 |
| Sep 15, 2021 | Night | 5-1-7 | 13 | 4 |
| Sep 15, 2021 | Day | 1-0-0 | 1 | 1 |
| Sep 14, 2021 | Night | 7-4-7 | 18 | 9 |
| Sep 14, 2021 | Day | 3-0-6 | 9 | 9 |
| Sep 13, 2021 | Night | 3-5-6 | 14 | 5 |
| Sep 13, 2021 | Day | 3-9-1 | 13 | 4 |
| Sep 12, 2021 | Night | 4-3-7 | 14 | 5 |
| Sep 11, 2021 | Night | 5-7-1 | 13 | 4 |
| Sep 11, 2021 | Day | 0-3-3 | 6 | 6 |