The winning Connecticut Play3 numbers for August 21, 2017 were: day 3-4-7; night 1-8-6.
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 |
|---|---|---|---|---|
| Aug 21, 2017 | Night | 1-8-6 | 15 | 6 |
| Aug 21, 2017 | Day | 3-4-7 | 14 | 5 |
| Aug 20, 2017 | Night | 2-3-7 | 12 | 3 |
| Aug 20, 2017 | Day | 8-2-5 | 15 | 6 |
| Aug 19, 2017 | Night | 1-6-9 | 16 | 7 |
| Aug 19, 2017 | Day | 9-4-2 | 15 | 6 |
| Aug 18, 2017 | Night | 0-4-1 | 5 | 5 |
| Aug 18, 2017 | Day | 2-6-6 | 14 | 5 |
| Aug 17, 2017 | Night | 5-8-6 | 19 | 1 |
| Aug 17, 2017 | Day | 6-6-7 | 19 | 1 |
| Aug 16, 2017 | Night | 8-5-7 | 20 | 2 |
| Aug 16, 2017 | Day | 7-9-0 | 16 | 7 |
| Aug 15, 2017 | Night | 5-9-6 | 20 | 2 |
| Aug 15, 2017 | Day | 7-2-0 | 9 | 9 |