The winning Delaware Play 4 numbers for September 22, 1990 were: night 7-1-3-9.
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 22, 1990 | Night | 7-1-3-9 | 20 | 2 |
| Sep 21, 1990 | Night | 5-2-7-2 | 16 | 7 |
| Sep 20, 1990 | Night | 7-3-3-8 | 21 | 3 |
| Sep 19, 1990 | Night | 0-3-7-4 | 14 | 5 |
| Sep 18, 1990 | Night | 6-7-8-1 | 22 | 4 |
| Sep 17, 1990 | Night | 1-8-0-5 | 14 | 5 |