The winning Massachusetts The Numbers Game numbers for March 21, 1999 were: evening 4-1-8-6.
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 |
|---|---|---|---|---|
| Mar 21, 1999 | Evening | 4-1-8-6 | 19 | 1 |
| Mar 20, 1999 | Evening | 5-2-1-2 | 10 | 1 |
| Mar 19, 1999 | Evening | 8-6-3-6 | 23 | 5 |
| Mar 18, 1999 | Evening | 4-5-1-9 | 19 | 1 |
| Mar 17, 1999 | Evening | 1-5-3-1 | 10 | 1 |
| Mar 16, 1999 | Evening | 8-2-2-7 | 19 | 1 |
| Mar 15, 1999 | Evening | 8-8-4-8 | 28 | 1 |