The winning Connecticut Play4 numbers for September 21, 2006 were: day 9-6-5-4; night 3-1-9-7.
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).
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 |
|---|---|---|---|---|
| Sep 21, 2006 | Night | 3-1-9-7 | 20 | 2 |
| Sep 21, 2006 | Day | 9-6-5-4 | 24 | 6 |
| Sep 20, 2006 | Night | 4-3-1-8 | 16 | 7 |
| Sep 20, 2006 | Day | 6-4-2-6 | 18 | 9 |
| Sep 19, 2006 | Night | 8-2-9-3 | 22 | 4 |
| Sep 19, 2006 | Day | 5-1-3-9 | 18 | 9 |
| Sep 18, 2006 | Night | 9-2-6-5 | 22 | 4 |
| Sep 18, 2006 | Day | 9-1-0-7 | 17 | 8 |
| Sep 17, 2006 | Night | 5-0-1-1 | 7 | 7 |
| Sep 16, 2006 | Night | 6-0-5-4 | 15 | 6 |
| Sep 15, 2006 | Night | 2-9-6-0 | 17 | 8 |
| Sep 15, 2006 | Day | 0-9-0-1 | 10 | 1 |