4D number history
4D number 1644 — drawn 10 times across our 10 tracked operators, most recently on 2025-11-07.
Most recently drawn as Consolation at Grand Dragon Lotto on 2025-11-07.
Wins of 1644 by operator
Every recorded draw of 1644
| Date | Operator | Prize tier |
|---|---|---|
| 2025-11-07 | Grand Dragon Lotto | Consolation |
| 2025-10-26 | Magnum 4D | Special prize |
| 2025-07-27 | Magnum 4D | 1st prize |
| 2025-06-21 | Singapore Pools 4D | Consolation |
| 2024-10-28 | Lucky Hari Hari 4D | Consolation |
| 2024-10-26 | Special Cash Sweep 4D | Special prize |
| 2024-10-23 | Perdana 4D | Consolation |
| 2024-07-13 | Sports Toto 4D | Special prize |
| 2024-04-18 | Grand Dragon Lotto | Consolation |
| 2024-04-08 | Lucky Hari Hari 4D | Consolation |
Number facts — 1644
A read of the four digits of 1644 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 | 1 + 6 + 4 + 4 = 15 |
|---|---|
| Digit product | 1 × 6 × 4 × 4 = 96 |
| Reverse | 4461 |
| Palindrome | No |
| Unique digits | 3 of 4 |
| Sequential pairs | 16, 64, 44 |
| Big/Small bias | 3 small (0–4) / 1 big (5–9) — leans Small |
| Parity | Even |
| Prime | No — 1644 = 2^2 × 3 × 137 |
iBox / Permutation play — 1644
For an iBox or Permutation bet, your ticket wins if the operator draws any arrangement of the same four digits. The unique arrangements for 1644 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 1644 by one digit:
Cultural reading of 1644
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 |
|---|---|---|
| 1 | yat (一) | single, the start, certainty |
| 6 | luk (六) | smooth and flowing (similar to 流 lau) |
| 4 | sei (四) | phonetically near 死 (death); generally avoided |
| 4 | sei (四) | phonetically near 死 (death); generally avoided |
Combined reading: Contains multiple 4s — phonetic to 死 (si) in Cantonese; many players consider this an unlucky pattern. (Mathematically irrelevant — see the disclaimer below.) Includes 6 (六 luk), commonly associated with smoothness through the homophone 流. The digit sum is 15.
Hot or cold?
1644 has appeared 10 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 1644 ever won?
- Yes — 1644 has been recorded as a winning number 10 times across the 10 4D operators 4dcheck tracks.
- When was the most recent time 1644 won?
- The most recent recorded draw of 1644 was on 2025-11-07 at Grand Dragon Lotto.
- Which operator has drawn 1644 most often?
- Grand Dragon Lotto has drawn 1644 the most times in our recorded window.
- Is 1644 a hot or cold number?
- 1644 sits on the hotter side of our distribution, with 10 recorded wins. Note this is a backward-looking statistic and does not affect future draw probability.
- How many iBox permutations does 1644 have?
- 1644 has 12 unique 4-digit permutations — listed under the iBox section above. Each one wins if you bet 1644 on a permutation (iBox) play and that arrangement is drawn.
- What is the digit sum of 1644?
- The digits 1 + 6 + 4 + 4 sum to 15.