The winning New York Numbers numbers for April 21, 2011 were: midday 7-6-3; evening 5-4-1.
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 |
|---|---|---|---|---|
| Apr 21, 2011 | Evening | 5-4-1 | 10 | 1 |
| Apr 21, 2011 | Midday | 7-6-3 | 16 | 7 |
| Apr 20, 2011 | Evening | 3-3-1 | 7 | 7 |
| Apr 20, 2011 | Midday | 4-2-5 | 11 | 2 |
| Apr 19, 2011 | Evening | 8-8-7 | 23 | 5 |
| Apr 19, 2011 | Midday | 1-5-8 | 14 | 5 |
| Apr 18, 2011 | Evening | 1-2-2 | 5 | 5 |
| Apr 18, 2011 | Midday | 3-7-5 | 15 | 6 |
| Apr 17, 2011 | Evening | 7-9-1 | 17 | 8 |
| Apr 17, 2011 | Midday | 8-6-5 | 19 | 1 |
| Apr 16, 2011 | Evening | 8-9-3 | 20 | 2 |
| Apr 16, 2011 | Midday | 1-9-8 | 18 | 9 |
| Apr 15, 2011 | Evening | 9-3-0 | 12 | 3 |
| Apr 15, 2011 | Midday | 4-0-7 | 11 | 2 |