The winning New York Numbers numbers for May 21, 2007 were: midday 5-0-5; evening 8-2-1.
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).
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 |
|---|---|---|---|---|
| May 21, 2007 | Evening | 8-2-1 | 11 | 2 |
| May 21, 2007 | Midday | 5-0-5 | 10 | 1 |
| May 20, 2007 | Evening | 8-7-5 | 20 | 2 |
| May 20, 2007 | Midday | 7-9-5 | 21 | 3 |
| May 19, 2007 | Evening | 1-6-0 | 7 | 7 |
| May 19, 2007 | Midday | 2-4-3 | 9 | 9 |
| May 18, 2007 | Evening | 1-3-1 | 5 | 5 |
| May 18, 2007 | Midday | 0-8-6 | 14 | 5 |
| May 17, 2007 | Evening | 2-3-4 | 9 | 9 |
| May 17, 2007 | Midday | 8-4-5 | 17 | 8 |
| May 16, 2007 | Evening | 0-6-9 | 15 | 6 |
| May 16, 2007 | Midday | 7-9-5 | 21 | 3 |
| May 15, 2007 | Evening | 2-4-2 | 8 | 8 |
| May 15, 2007 | Midday | 8-5-9 | 22 | 4 |