The winning Wisconsin Pick 4 numbers for August 21, 1998 were: single 9-9-4-7.
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 |
|---|---|---|---|---|
| Aug 21, 1998 | Single | 9-9-4-7 | 29 | 2 |
| Aug 20, 1998 | Single | 2-5-2-0 | 9 | 9 |
| Aug 19, 1998 | Single | 8-7-0-7 | 22 | 4 |
| Aug 18, 1998 | Single | 8-6-5-6 | 25 | 7 |
| Aug 17, 1998 | Single | 6-8-2-9 | 25 | 7 |
| Aug 16, 1998 | Single | 3-1-7-0 | 11 | 2 |
| Aug 15, 1998 | Single | 5-9-4-1 | 19 | 1 |