The winning Colorado Pick 3 numbers for September 21, 2017 were: midday 4-9-8; evening 3-4-8.
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 |
|---|---|---|---|---|
| Sep 21, 2017 | Evening | 3-4-8 | 15 | 6 |
| Sep 21, 2017 | Midday | 4-9-8 | 21 | 3 |
| Sep 20, 2017 | Evening | 7-9-1 | 17 | 8 |
| Sep 20, 2017 | Midday | 6-9-5 | 20 | 2 |
| Sep 19, 2017 | Evening | 7-6-6 | 19 | 1 |
| Sep 19, 2017 | Midday | 0-8-6 | 14 | 5 |
| Sep 18, 2017 | Evening | 2-3-2 | 7 | 7 |
| Sep 18, 2017 | Midday | 9-3-2 | 14 | 5 |
| Sep 17, 2017 | Evening | 1-8-2 | 11 | 2 |
| Sep 17, 2017 | Midday | 0-8-4 | 12 | 3 |
| Sep 16, 2017 | Evening | 6-3-4 | 13 | 4 |
| Sep 16, 2017 | Midday | 7-1-9 | 17 | 8 |
| Sep 15, 2017 | Evening | 7-8-9 | 24 | 6 |
| Sep 15, 2017 | Midday | 5-7-4 | 16 | 7 |