The winning Delaware Play 4 numbers for June 21, 1998 were: night 4-4-2-0.
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 |
|---|---|---|---|---|
| Jun 21, 1998 | Night | 4-4-2-0 | 10 | 1 |
| Jun 20, 1998 | Night | 2-8-1-9 | 20 | 2 |
| Jun 20, 1998 | Day | 8-2-9-5 | 24 | 6 |
| Jun 19, 1998 | Night | 5-9-8-0 | 22 | 4 |
| Jun 19, 1998 | Day | 8-4-0-8 | 20 | 2 |
| Jun 18, 1998 | Night | 3-2-0-0 | 5 | 5 |
| Jun 18, 1998 | Day | 0-0-6-5 | 11 | 2 |
| Jun 17, 1998 | Night | 1-4-7-6 | 18 | 9 |
| Jun 17, 1998 | Day | 5-4-4-0 | 13 | 4 |
| Jun 16, 1998 | Night | 7-0-5-2 | 14 | 5 |
| Jun 16, 1998 | Day | 9-4-8-5 | 26 | 8 |
| Jun 15, 1998 | Night | 5-2-0-2 | 9 | 9 |
| Jun 15, 1998 | Day | 8-5-7-7 | 27 | 9 |