4D number history
4D number 3521 — drawn 13 times across our 10 tracked operators, most recently on 2026-02-24.
Most recently drawn as Special prize at Lucky Hari Hari 4D on 2026-02-24.
Wins of 3521 by operator
| Operator | Total wins | Last seen |
|---|---|---|
| Lucky Hari Hari 4D | 7 | 2026-02-24 |
| Grand Dragon Lotto | 2 | 2025-05-31 |
| Perdana 4D | 2 | 2025-02-12 |
| Special Cash Sweep 4D | 1 | 2024-05-11 |
| Magnum 4D | 1 | 2025-06-04 |
Every recorded draw of 3521
| Date | Operator | Prize tier |
|---|---|---|
| 2026-02-24 | Lucky Hari Hari 4D | Special prize |
| 2026-02-24 | Lucky Hari Hari 4D | Special prize |
| 2025-12-25 | Lucky Hari Hari 4D | Consolation |
| 2025-10-24 | Lucky Hari Hari 4D | Consolation |
| 2025-09-10 | Lucky Hari Hari 4D | Special prize |
| 2025-08-14 | Lucky Hari Hari 4D | Consolation |
| 2025-06-04 | Magnum 4D | Consolation |
| 2025-05-31 | Grand Dragon Lotto | Consolation |
| 2025-02-12 | Perdana 4D | Special prize |
| 2024-12-15 | Lucky Hari Hari 4D | Special prize |
| 2024-05-11 | Special Cash Sweep 4D | Special prize |
| 2024-03-25 | Perdana 4D | Special prize |
| 2024-02-01 | Grand Dragon Lotto | Consolation |
Number facts — 3521
A read of the four digits of 3521 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 + 5 + 2 + 1 = 11 |
|---|---|
| Digit product | 3 × 5 × 2 × 1 = 30 |
| Reverse | 1253 |
| Palindrome | No |
| Unique digits | 4 of 4 |
| Sequential pairs | 35, 52, 21 |
| Big/Small bias | 3 small (0–4) / 1 big (5–9) — leans Small |
| Parity | Odd |
| Prime | No — 3521 = 7 × 503 |
iBox / Permutation play — 3521
For an iBox or Permutation bet, your ticket wins if the operator draws any arrangement of the same four digits. The unique arrangements for 3521 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 3521 by one digit:
Cultural reading of 3521
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) |
| 5 | ng (五) | phonetically near 唔 (not); often negates the neighbouring digit |
| 2 | yi (二) | easy (similar to 易 yi), pairing |
| 1 | yat (一) | single, the start, certainty |
Combined reading: Contains both 2 (易 yi, "easy") and 1 (一 yat, "start") — a combination sometimes read as "easy starts". The digit sum is 11.
Hot or cold?
3521 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 3521 ever won?
- Yes — 3521 has been recorded as a winning number 13 times across the 10 4D operators 4dcheck tracks.
- When was the most recent time 3521 won?
- The most recent recorded draw of 3521 was on 2026-02-24 at Lucky Hari Hari 4D.
- Which operator has drawn 3521 most often?
- Lucky Hari Hari 4D has drawn 3521 the most times in our recorded window.
- Is 3521 a hot or cold number?
- 3521 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 3521 have?
- 3521 has 24 unique 4-digit permutations — listed under the iBox section above. Each one wins if you bet 3521 on a permutation (iBox) play and that arrangement is drawn.
- What is the digit sum of 3521?
- The digits 3 + 5 + 2 + 1 sum to 11.