The winning Connecticut Play4 numbers for March 21, 2017 were: day 9-7-9-2; night 4-6-9-8.
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 |
|---|---|---|---|---|
| Mar 21, 2017 | Night | 4-6-9-8 | 27 | 9 |
| Mar 21, 2017 | Day | 9-7-9-2 | 27 | 9 |
| Mar 20, 2017 | Night | 6-4-2-5 | 17 | 8 |
| Mar 20, 2017 | Day | 2-0-7-5 | 14 | 5 |
| Mar 19, 2017 | Night | 5-5-4-4 | 18 | 9 |
| Mar 19, 2017 | Day | 9-3-0-5 | 17 | 8 |
| Mar 18, 2017 | Night | 4-1-0-8 | 13 | 4 |
| Mar 18, 2017 | Day | 4-2-6-9 | 21 | 3 |
| Mar 17, 2017 | Night | 3-3-1-8 | 15 | 6 |
| Mar 17, 2017 | Day | 9-2-4-3 | 18 | 9 |
| Mar 16, 2017 | Night | 3-4-6-5 | 18 | 9 |
| Mar 16, 2017 | Day | 0-2-2-1 | 5 | 5 |
| Mar 15, 2017 | Night | 2-4-1-6 | 13 | 4 |
| Mar 15, 2017 | Day | 4-3-6-8 | 21 | 3 |