The winning Delaware Play 4 numbers for November 18, 1991 were: night 5-0-6-3.
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 18, 1991 | Night | 5-0-6-3 | 14 | 5 |
| Nov 17, 1991 | Night | 8-3-3-0 | 14 | 5 |
| Nov 16, 1991 | Night | 5-8-9-5 | 27 | 9 |
| Nov 15, 1991 | Night | 2-6-6-5 | 19 | 1 |
| Nov 14, 1991 | Night | 7-0-2-6 | 15 | 6 |
| Nov 13, 1991 | Night | 9-1-4-4 | 18 | 9 |
| Nov 12, 1991 | Night | 5-3-6-5 | 19 | 1 |