The winning New York Numbers numbers for April 18, 1981 were: evening 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 |
|---|---|---|---|---|
| Apr 18, 1981 | Evening | 1-1-7 | 9 | 9 |
| Apr 17, 1981 | Evening | 8-4-3 | 15 | 6 |
| Apr 16, 1981 | Evening | 8-4-2 | 14 | 5 |
| Apr 15, 1981 | Evening | 9-3-8 | 20 | 2 |
| Apr 14, 1981 | Evening | 7-5-7 | 19 | 1 |
| Apr 13, 1981 | Evening | 3-6-0 | 9 | 9 |