The winning Delaware Play 4 numbers for April 21, 2001 were: day 1-6-1-7; night 5-5-9-4.
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, 2001 | Night | 5-5-9-4 | 23 | 5 |
| Apr 21, 2001 | Day | 1-6-1-7 | 15 | 6 |
| Apr 20, 2001 | Night | 5-5-1-5 | 16 | 7 |
| Apr 20, 2001 | Day | 8-1-0-3 | 12 | 3 |
| Apr 19, 2001 | Night | 3-8-1-3 | 15 | 6 |
| Apr 19, 2001 | Day | 9-3-5-1 | 18 | 9 |
| Apr 18, 2001 | Night | 0-5-8-7 | 20 | 2 |
| Apr 18, 2001 | Day | 3-0-4-5 | 12 | 3 |
| Apr 17, 2001 | Night | 6-8-0-4 | 18 | 9 |
| Apr 17, 2001 | Day | 0-6-9-6 | 21 | 3 |
| Apr 16, 2001 | Night | 6-9-9-7 | 31 | 4 |
| Apr 16, 2001 | Day | 0-9-5-1 | 15 | 6 |
| Apr 15, 2001 | Night | 3-9-0-0 | 12 | 3 |