The winning Washington DC DC-3 numbers for May 4, 1991 were: single 0-4-7.
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 |
|---|---|---|---|---|
| May 4, 1991 | Single | 0-4-7 | 11 | 2 |
| May 2, 1991 | Single | 6-1-8 | 15 | 6 |
| Apr 30, 1991 | Single | 7-3-9 | 19 | 1 |