The winning Massachusetts The Numbers Game numbers for September 18, 1991 were: evening 6-1-1-7.
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 |
|---|---|---|---|---|
| Sep 18, 1991 | Evening | 6-1-1-7 | 15 | 6 |
| Sep 17, 1991 | Evening | 2-5-2-8 | 17 | 8 |
| Sep 16, 1991 | Evening | 5-6-5-0 | 16 | 7 |
| Sep 15, 1991 | Evening | 8-1-1-8 | 18 | 9 |
| Sep 14, 1991 | Evening | 1-0-8-9 | 18 | 9 |
| Sep 13, 1991 | Evening | 4-2-0-2 | 8 | 8 |
| Sep 12, 1991 | Evening | 7-7-7-0 | 21 | 3 |