The winning Washington DC DC-4 numbers for September 2, 1989 were: single 1-5-5-5.
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 2, 1989 | Single | 1-5-5-5 | 16 | 7 |
| Sep 1, 1989 | Single | 7-4-1-7 | 19 | 1 |
| Aug 30, 1989 | Single | 6-9-3-2 | 20 | 2 |
| Aug 28, 1989 | Single | 1-0-5-1 | 7 | 7 |