The winning Washington DC DC-3 numbers for October 21, 1989 were: single 5-1-6.
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 |
|---|---|---|---|---|
| Oct 21, 1989 | Single | 5-1-6 | 12 | 3 |
| Oct 19, 1989 | Single | 8-4-7 | 19 | 1 |
| Oct 18, 1989 | Single | 3-2-2 | 7 | 7 |
| Oct 17, 1989 | Single | 8-3-5 | 16 | 7 |
| Oct 16, 1989 | Single | 0-3-4 | 7 | 7 |