The winning Washington DC DC-3 numbers for September 7, 1990 were: single 3-4-8.
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 7, 1990 | Single | 3-4-8 | 15 | 6 |
| Sep 5, 1990 | Single | 5-2-7 | 14 | 5 |
| Sep 4, 1990 | Single | 6-6-8 | 20 | 2 |
| Sep 1, 1990 | Single | 8-6-4 | 18 | 9 |