The winning Oregon Pick 4 numbers for October 21, 2015 were: midday 6-9-6-6; day 4-4-8-9; evening 7-7-1-8; night 5-2-0-1.
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).
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 |
|---|---|---|---|---|
| Oct 21, 2015 | Night | 5-2-0-1 | 8 | 8 |
| Oct 21, 2015 | Evening | 7-7-1-8 | 23 | 5 |
| Oct 21, 2015 | Day | 4-4-8-9 | 25 | 7 |
| Oct 21, 2015 | Midday | 6-9-6-6 | 27 | 9 |
| Oct 20, 2015 | Night | 7-2-1-4 | 14 | 5 |
| Oct 20, 2015 | Evening | 5-1-9-0 | 15 | 6 |
| Oct 20, 2015 | Day | 5-9-4-6 | 24 | 6 |
| Oct 20, 2015 | Midday | 5-2-8-9 | 24 | 6 |
| Oct 19, 2015 | Night | 2-7-9-1 | 19 | 1 |
| Oct 19, 2015 | Evening | 2-1-9-8 | 20 | 2 |
| Oct 19, 2015 | Day | 3-0-1-5 | 9 | 9 |
| Oct 19, 2015 | Midday | 9-6-7-5 | 27 | 9 |
| Oct 18, 2015 | Night | 1-8-9-9 | 27 | 9 |
| Oct 18, 2015 | Evening | 8-7-1-6 | 22 | 4 |
| Oct 18, 2015 | Day | 2-3-4-6 | 15 | 6 |
| Oct 18, 2015 | Midday | 7-1-2-9 | 19 | 1 |
| Oct 17, 2015 | Night | 2-6-0-3 | 11 | 2 |
| Oct 17, 2015 | Evening | 7-0-5-4 | 16 | 7 |
| Oct 17, 2015 | Day | 7-5-8-1 | 21 | 3 |
| Oct 17, 2015 | Midday | 4-9-0-4 | 17 | 8 |
| Oct 16, 2015 | Night | 8-0-3-7 | 18 | 9 |
| Oct 16, 2015 | Evening | 8-0-8-6 | 22 | 4 |
| Oct 16, 2015 | Day | 8-2-3-3 | 16 | 7 |
| Oct 16, 2015 | Midday | 4-8-6-2 | 20 | 2 |
| Oct 15, 2015 | Night | 1-1-1-9 | 12 | 3 |
| Oct 15, 2015 | Evening | 9-3-1-6 | 19 | 1 |
| Oct 15, 2015 | Day | 3-2-0-6 | 11 | 2 |
| Oct 15, 2015 | Midday | 5-6-7-7 | 25 | 7 |