The winning Arkansas Cash 4 numbers for April 21, 2018 were: midday 3-8-4-1; evening 5-4-5-4.
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, 2018 | Evening | 5-4-5-4 | 18 | 9 |
| Apr 21, 2018 | Midday | 3-8-4-1 | 16 | 7 |
| Apr 20, 2018 | Evening | 8-0-3-4 | 15 | 6 |
| Apr 20, 2018 | Midday | 8-0-6-8 | 22 | 4 |
| Apr 19, 2018 | Evening | 9-8-5-7 | 29 | 2 |
| Apr 19, 2018 | Midday | 5-9-8-4 | 26 | 8 |
| Apr 18, 2018 | Evening | 6-0-3-7 | 16 | 7 |
| Apr 18, 2018 | Midday | 0-5-0-9 | 14 | 5 |
| Apr 17, 2018 | Evening | 3-6-2-7 | 18 | 9 |
| Apr 17, 2018 | Midday | 9-6-0-1 | 16 | 7 |
| Apr 16, 2018 | Evening | 3-2-2-1 | 8 | 8 |
| Apr 16, 2018 | Midday | 0-8-8-3 | 19 | 1 |
| Apr 15, 2018 | Evening | 3-5-1-4 | 13 | 4 |