The winning New York Numbers numbers for October 21, 1990 were: evening 3-2-8.
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 |
|---|---|---|---|---|
| Oct 21, 1990 | Evening | 3-2-8 | 13 | 4 |
| Oct 20, 1990 | Evening | 7-8-4 | 19 | 1 |
| Oct 19, 1990 | Evening | 5-7-9 | 21 | 3 |
| Oct 18, 1990 | Evening | 8-0-1 | 9 | 9 |
| Oct 17, 1990 | Evening | 0-5-8 | 13 | 4 |
| Oct 16, 1990 | Evening | 3-7-2 | 12 | 3 |
| Oct 15, 1990 | Evening | 6-8-5 | 19 | 1 |