The winning Washington DC DC-4 numbers for February 14, 1986 were: single 5-2-9-7.
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 |
|---|---|---|---|---|
| Feb 14, 1986 | Single | 5-2-9-7 | 23 | 5 |
| Feb 12, 1986 | Single | 2-9-1-2 | 14 | 5 |
| Feb 11, 1986 | Single | 0-5-3-8 | 16 | 7 |
| Feb 8, 1986 | Single | 6-6-9-0 | 21 | 3 |