4D number history
4D number 1638 — drawn 13 times across our 10 tracked operators, most recently on 2026-05-06.
Most recently drawn as Consolation at Sabah 88 4D on 2026-05-06.
Wins of 1638 by operator
Every recorded draw of 1638
| Date | Operator | Prize tier |
|---|---|---|
| 2026-05-06 | Sabah 88 4D | Consolation |
| 2026-04-04 | Damacai 1+3D | Consolation |
| 2026-02-14 | Lucky Hari Hari 4D | Special prize |
| 2026-02-10 | STC Sandakan 4D | Special prize |
| 2025-11-27 | Lucky Hari Hari 4D | Consolation |
| 2025-10-26 | STC Sandakan 4D | Special prize |
| 2025-09-16 | Grand Dragon Lotto | Consolation |
| 2025-04-19 | Damacai 1+3D | Special prize |
| 2025-02-02 | Sports Toto 4D | Consolation |
| 2024-11-30 | Sabah 88 4D | Special prize |
| 2024-08-06 | Lucky Hari Hari 4D | Special prize |
| 2024-07-20 | Lucky Hari Hari 4D | Special prize |
| 2024-03-24 | Magnum 4D | Special prize |
Number facts — 1638
A read of the four digits of 1638 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 + 3 + 8 = 18 |
|---|---|
| Digit product | 1 × 6 × 3 × 8 = 144 |
| Reverse | 8361 |
| Palindrome | No |
| Unique digits | 4 of 4 |
| Sequential pairs | 16, 63, 38 |
| Big/Small bias | 2 small (0–4) / 2 big (5–9) — balanced |
| Parity | Even |
| Prime | No — 1638 = 2 × 3^2 × 7 × 13 |
iBox / Permutation play — 1638
For an iBox or Permutation bet, your ticket wins if the operator draws any arrangement of the same four digits. The unique arrangements for 1638 are listed below — there are 24 permutations total (all four digits are distinct, so the maximum 24 permutations apply).
Nearby numbers
Walk up or down by one, jump to the reverse, or see numbers that differ by just a single digit position.
Numbers that differ from 1638 by one digit:
Cultural reading of 1638
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) |
| 3 | saam (三) | birth and growth (similar to 生 sheng) |
| 8 | baat (八) | prosperity (similar to 發 faat); the most auspicious digit |
Combined reading: Contains one 8 — phonetic to 發 (faat), commonly cited as auspicious. Includes 6 (六 luk), commonly associated with smoothness through the homophone 流. Contains both 6 (流, smooth) and 8 (發, prosperity) — a pairing widely treated as one of the most auspicious in 4D folk numerology. The digit sum is 18.
Hot or cold?
1638 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 1638 ever won?
- Yes — 1638 has been recorded as a winning number 13 times across the 10 4D operators 4dcheck tracks.
- When was the most recent time 1638 won?
- The most recent recorded draw of 1638 was on 2026-05-06 at Sabah 88 4D.
- Which operator has drawn 1638 most often?
- Lucky Hari Hari 4D has drawn 1638 the most times in our recorded window.
- Is 1638 a hot or cold number?
- 1638 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 1638 have?
- 1638 has 24 unique 4-digit permutations — listed under the iBox section above. Each one wins if you bet 1638 on a permutation (iBox) play and that arrangement is drawn.
- What is the digit sum of 1638?
- The digits 1 + 6 + 3 + 8 sum to 18.