The winning Delaware Play 4 numbers for January 20, 1990 were: night 6-1-6-9.
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 |
|---|---|---|---|---|
| Jan 20, 1990 | Night | 6-1-6-9 | 22 | 4 |
| Jan 19, 1990 | Night | 1-9-4-9 | 23 | 5 |
| Jan 18, 1990 | Night | 0-2-3-2 | 7 | 7 |
| Jan 17, 1990 | Night | 6-5-5-3 | 19 | 1 |
| Jan 16, 1990 | Night | 7-3-1-5 | 16 | 7 |
| Jan 15, 1990 | Night | 0-3-8-2 | 13 | 4 |