The winning Washington DC DC-4 numbers for August 14, 1990 were: single 4-8-1-7.
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 |
|---|---|---|---|---|
| Aug 14, 1990 | Single | 4-8-1-7 | 20 | 2 |
| Aug 13, 1990 | Single | 1-7-2-5 | 15 | 6 |
| Aug 11, 1990 | Single | 8-4-4-3 | 19 | 1 |
| Aug 10, 1990 | Single | 5-2-4-0 | 11 | 2 |
| Aug 8, 1990 | Single | 6-4-9-3 | 22 | 4 |