The winning Delaware Play 4 numbers for May 21, 2019 were: day 0-0-6-9; night 3-7-5-2.
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, 2019 | Night | 3-7-5-2 | 17 | 8 |
| May 21, 2019 | Day | 0-0-6-9 | 15 | 6 |
| May 20, 2019 | Night | 8-7-5-8 | 28 | 1 |
| May 20, 2019 | Day | 7-1-2-1 | 11 | 2 |
| May 19, 2019 | Night | 3-9-1-3 | 16 | 7 |
| May 18, 2019 | Night | 7-9-1-3 | 20 | 2 |
| May 18, 2019 | Day | 5-2-2-2 | 11 | 2 |
| May 17, 2019 | Night | 5-5-5-8 | 23 | 5 |
| May 17, 2019 | Day | 6-6-2-6 | 20 | 2 |
| May 16, 2019 | Night | 9-6-2-7 | 24 | 6 |
| May 16, 2019 | Day | 1-7-6-2 | 16 | 7 |
| May 15, 2019 | Night | 9-1-5-7 | 22 | 4 |
| May 15, 2019 | Day | 5-5-9-8 | 27 | 9 |