4D number history
4D number 3921 — drawn 11 times across our 10 tracked operators, most recently on 2026-04-08.
Most recently drawn as 3rd prize at STC Sandakan 4D on 2026-04-08.
Wins of 3921 by operator
| Operator | Total wins | Last seen |
|---|---|---|
| Damacai 1+3D | 2 | 2025-12-03 |
| Grand Dragon Lotto | 2 | 2025-01-21 |
| Lucky Hari Hari 4D | 2 | 2025-12-14 |
| Magnum 4D | 2 | 2025-12-03 |
| STC Sandakan 4D | 2 | 2026-04-08 |
| Perdana 4D | 1 | 2025-09-27 |
Every recorded draw of 3921
| Date | Operator | Prize tier |
|---|---|---|
| 2026-04-08 | STC Sandakan 4D | 3rd prize |
| 2025-12-14 | Lucky Hari Hari 4D | Consolation |
| 2025-12-03 | Damacai 1+3D | Consolation |
| 2025-12-03 | Magnum 4D | Special prize |
| 2025-10-22 | STC Sandakan 4D | 1st prize |
| 2025-09-27 | Perdana 4D | Special prize |
| 2025-01-21 | Grand Dragon Lotto | Special prize |
| 2024-10-20 | Magnum 4D | 1st prize |
| 2024-10-19 | Damacai 1+3D | Consolation |
| 2024-10-13 | Lucky Hari Hari 4D | Special prize |
| 2024-04-21 | Grand Dragon Lotto | 2nd prize |
Number facts — 3921
A read of the four digits of 3921 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 | 3 + 9 + 2 + 1 = 15 |
|---|---|
| Digit product | 3 × 9 × 2 × 1 = 54 |
| Reverse | 1293 |
| Palindrome | No |
| Unique digits | 4 of 4 |
| Sequential pairs | 39, 92, 21 |
| Big/Small bias | 3 small (0–4) / 1 big (5–9) — leans Small |
| Parity | Odd |
| Prime | No — 3921 = 3 × 1307 |
iBox / Permutation play — 3921
For an iBox or Permutation bet, your ticket wins if the operator draws any arrangement of the same four digits. The unique arrangements for 3921 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 3921 by one digit:
Cultural reading of 3921
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 |
|---|---|---|
| 3 | saam (三) | birth and growth (similar to 生 sheng) |
| 9 | gau (九) | long-lasting (similar to 久 gau) |
| 2 | yi (二) | easy (similar to 易 yi), pairing |
| 1 | yat (一) | single, the start, certainty |
Combined reading: Includes 9 (九 gau), commonly associated with longevity through the homophone 久. Contains both 2 (易 yi, "easy") and 1 (一 yat, "start") — a combination sometimes read as "easy starts". The digit sum is 15.
Hot or cold?
3921 has appeared 11 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 3921 ever won?
- Yes — 3921 has been recorded as a winning number 11 times across the 10 4D operators 4dcheck tracks.
- When was the most recent time 3921 won?
- The most recent recorded draw of 3921 was on 2026-04-08 at STC Sandakan 4D.
- Which operator has drawn 3921 most often?
- Damacai 1+3D has drawn 3921 the most times in our recorded window.
- Is 3921 a hot or cold number?
- 3921 sits on the hotter side of our distribution, with 11 recorded wins. Note this is a backward-looking statistic and does not affect future draw probability.
- How many iBox permutations does 3921 have?
- 3921 has 24 unique 4-digit permutations — listed under the iBox section above. Each one wins if you bet 3921 on a permutation (iBox) play and that arrangement is drawn.
- What is the digit sum of 3921?
- The digits 3 + 9 + 2 + 1 sum to 15.