The winning Arkansas Cash 4 numbers for May 21, 2016 were: midday 5-2-7-7; evening 0-7-3-6.
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, 2016 | Evening | 0-7-3-6 | 16 | 7 |
| May 21, 2016 | Midday | 5-2-7-7 | 21 | 3 |
| May 20, 2016 | Evening | 5-6-4-2 | 17 | 8 |
| May 20, 2016 | Midday | 2-5-3-4 | 14 | 5 |
| May 19, 2016 | Evening | 9-2-8-7 | 26 | 8 |
| May 19, 2016 | Midday | 7-0-5-7 | 19 | 1 |
| May 18, 2016 | Evening | 9-8-0-0 | 17 | 8 |
| May 18, 2016 | Midday | 7-1-7-0 | 15 | 6 |
| May 17, 2016 | Evening | 5-6-9-1 | 21 | 3 |
| May 17, 2016 | Midday | 6-0-6-2 | 14 | 5 |
| May 16, 2016 | Evening | 5-5-1-1 | 12 | 3 |
| May 16, 2016 | Midday | 5-5-6-0 | 16 | 7 |
| May 15, 2016 | Evening | 5-9-0-4 | 18 | 9 |