The winning Delaware Play 4 numbers for November 16, 1981 were: night 3-9-7-1.
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).
| Date | Draw | Numbers | Sum | Root |
|---|---|---|---|---|
| Nov 16, 1981 | Night | 3-9-7-1 | 20 | 2 |
| Nov 13, 1981 | Night | 9-8-5-4 | 26 | 8 |