4D number history
4D number 6639 — drawn 13 times across our 10 tracked operators, most recently on 2026-03-22.
Most recently drawn as Special prize at STC Sandakan 4D on 2026-03-22.
Wins of 6639 by operator
Every recorded draw of 6639
| Date | Operator | Prize tier |
|---|---|---|
| 2026-03-22 | STC Sandakan 4D | Special prize |
| 2026-01-27 | Sports Toto 4D | Consolation |
| 2025-12-13 | Perdana 4D | Special prize |
| 2025-10-08 | Sabah 88 4D | Consolation |
| 2025-09-10 | Grand Dragon Lotto | Consolation |
| 2025-07-13 | Sabah 88 4D | 3rd prize |
| 2025-05-18 | Damacai 1+3D | Consolation |
| 2025-04-07 | Grand Dragon Lotto | Consolation |
| 2025-02-08 | Sports Toto 4D | 2nd prize |
| 2024-09-19 | Lucky Hari Hari 4D | Consolation |
| 2024-07-23 | Lucky Hari Hari 4D | Special prize |
| 2024-02-26 | Lucky Hari Hari 4D | Consolation |
| 2024-02-14 | Magnum 4D | Consolation |
Number facts — 6639
A read of the four digits of 6639 on their own — these properties hold whether or not the number has ever been drawn. Most serve no statistical purpose for a random 4D draw, but they're useful context when comparing numbers or choosing iBox plays.
| Digit sum | 6 + 6 + 3 + 9 = 24 |
|---|---|
| Digit product | 6 × 6 × 3 × 9 = 972 |
| Reverse | 9366 |
| Palindrome | No |
| Unique digits | 3 of 4 |
| Sequential pairs | 66, 63, 39 |
| Big/Small bias | 1 small (0–4) / 3 big (5–9) — leans Big |
| Parity | Odd |
| Prime | No — 6639 = 3 × 2213 |
iBox / Permutation play — 6639
For an iBox or Permutation bet, your ticket wins if the operator draws any arrangement of the same four digits. The unique arrangements for 6639 are listed below — there are 12 permutations total (repeated digits collapse the 24 possibilities down to 12).
Nearby numbers
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Numbers that differ from 6639 by one digit:
Cultural reading of 6639
In Malaysian, Singaporean, and Cambodian Chinese 4D culture, individual digits carry phonetic associations through Cantonese homophones. These are widely shared folk readings — not predictions and not statistical claims.
| Digit | Sound | Common association |
|---|---|---|
| 6 | luk (六) | smooth and flowing (similar to 流 lau) |
| 6 | luk (六) | smooth and flowing (similar to 流 lau) |
| 3 | saam (三) | birth and growth (similar to 生 sheng) |
| 9 | gau (九) | long-lasting (similar to 久 gau) |
Combined reading: Includes 9 (九 gau), commonly associated with longevity through the homophone 久. Includes 6 (六 luk), commonly associated with smoothness through the homophone 流. The digit sum is 24.
Hot or cold?
6639 has appeared 13 times — comfortably in the "hot" range across our window.
For the full picture, see the hottest and coldest numbers tool which ranks every drawn 4-digit number across all 10 operators.
Check this number at each operator
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Frequently asked questions
- Has 4D number 6639 ever won?
- Yes — 6639 has been recorded as a winning number 13 times across the 10 4D operators 4dcheck tracks.
- When was the most recent time 6639 won?
- The most recent recorded draw of 6639 was on 2026-03-22 at STC Sandakan 4D.
- Which operator has drawn 6639 most often?
- Lucky Hari Hari 4D has drawn 6639 the most times in our recorded window.
- Is 6639 a hot or cold number?
- 6639 sits on the hotter side of our distribution, with 13 recorded wins. Note this is a backward-looking statistic and does not affect future draw probability.
- How many iBox permutations does 6639 have?
- 6639 has 12 unique 4-digit permutations — listed under the iBox section above. Each one wins if you bet 6639 on a permutation (iBox) play and that arrangement is drawn.
- What is the digit sum of 6639?
- The digits 6 + 6 + 3 + 9 sum to 24.