The winning New York Numbers numbers for December 17, 1987 were: evening 7-8-3.
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 |
|---|---|---|---|---|
| Dec 17, 1987 | Evening | 7-8-3 | 18 | 9 |
| Dec 16, 1987 | Evening | 4-4-3 | 11 | 2 |
| Dec 15, 1987 | Evening | 4-7-7 | 18 | 9 |
| Dec 14, 1987 | Evening | 4-7-7 | 18 | 9 |
| Dec 13, 1987 | Evening | 1-2-5 | 8 | 8 |
| Dec 12, 1987 | Evening | 8-4-6 | 18 | 9 |
| Dec 11, 1987 | Evening | 4-7-9 | 20 | 2 |