The winning Michigan Daily 3 numbers for December 23, 1999 were: midday 5-5-1; evening 5-4-7.
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 |
|---|---|---|---|---|
| Dec 23, 1999 | Evening | 5-4-7 | 16 | 7 |
| Dec 23, 1999 | Midday | 5-5-1 | 11 | 2 |
| Dec 22, 1999 | Evening | 1-0-0 | 1 | 1 |
| Dec 22, 1999 | Midday | 0-2-2 | 4 | 4 |
| Dec 21, 1999 | Evening | 8-7-6 | 21 | 3 |
| Dec 21, 1999 | Midday | 5-2-8 | 15 | 6 |
| Dec 20, 1999 | Evening | 1-0-4 | 5 | 5 |
| Dec 20, 1999 | Midday | 3-2-8 | 13 | 4 |
| Dec 18, 1999 | Evening | 4-7-2 | 13 | 4 |
| Dec 18, 1999 | Midday | 3-9-9 | 21 | 3 |
| Dec 17, 1999 | Evening | 2-8-3 | 13 | 4 |
| Dec 17, 1999 | Midday | 5-8-6 | 19 | 1 |