The winning Massachusetts The Numbers Game numbers for September 15, 1998 were: evening 4-1-2-8.
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 15, 1998 | Evening | 4-1-2-8 | 15 | 6 |
| Sep 14, 1998 | Evening | 7-3-8-1 | 19 | 1 |
| Sep 13, 1998 | Evening | 8-1-3-6 | 18 | 9 |
| Sep 12, 1998 | Evening | 8-4-2-5 | 19 | 1 |
| Sep 11, 1998 | Evening | 0-6-2-9 | 17 | 8 |
| Sep 10, 1998 | Evening | 8-3-8-0 | 19 | 1 |
| Sep 9, 1998 | Evening | 0-4-8-9 | 21 | 3 |