The winning New York Numbers numbers for September 17, 1998 were: evening 6-8-4.
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 17, 1998 | Evening | 6-8-4 | 18 | 9 |
| Sep 16, 1998 | Evening | 4-3-0 | 7 | 7 |
| Sep 15, 1998 | Evening | 2-2-6 | 10 | 1 |
| Sep 14, 1998 | Evening | 8-2-2 | 12 | 3 |
| Sep 13, 1998 | Evening | 1-1-5 | 7 | 7 |
| Sep 12, 1998 | Evening | 9-4-1 | 14 | 5 |
| Sep 11, 1998 | Evening | 8-4-2 | 14 | 5 |