4D number history
4D number 2521 — drawn 10 times across our 10 tracked operators, most recently on 2026-01-28.
Most recently drawn as Consolation at Perdana 4D on 2026-01-28.
Wins of 2521 by operator
| Operator | Total wins | Last seen |
|---|---|---|
| Special Cash Sweep 4D | 2 | 2024-12-28 |
| Damacai 1+3D | 2 | 2025-02-01 |
| Grand Dragon Lotto | 2 | 2024-06-15 |
| Perdana 4D | 2 | 2026-01-28 |
| Magnum 4D | 1 | 2024-05-12 |
| Singapore Pools 4D | 1 | 2026-01-11 |
Every recorded draw of 2521
| Date | Operator | Prize tier |
|---|---|---|
| 2026-01-28 | Perdana 4D | Consolation |
| 2026-01-11 | Singapore Pools 4D | Consolation |
| 2025-04-06 | Perdana 4D | 1st prize |
| 2025-02-01 | Damacai 1+3D | Consolation |
| 2024-12-28 | Special Cash Sweep 4D | Special prize |
| 2024-06-15 | Grand Dragon Lotto | Consolation |
| 2024-05-12 | Magnum 4D | Special prize |
| 2024-03-30 | Damacai 1+3D | Special prize |
| 2024-03-13 | Special Cash Sweep 4D | Special prize |
| 2024-03-02 | Grand Dragon Lotto | Consolation |
Number facts — 2521
A read of the four digits of 2521 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 | 2 + 5 + 2 + 1 = 10 |
|---|---|
| Digit product | 2 × 5 × 2 × 1 = 20 |
| Reverse | 1252 |
| Palindrome | No |
| Unique digits | 3 of 4 |
| Sequential pairs | 25, 52, 21 |
| Big/Small bias | 3 small (0–4) / 1 big (5–9) — leans Small |
| Parity | Odd |
| Prime | Yes — 2521 is prime |
iBox / Permutation play — 2521
For an iBox or Permutation bet, your ticket wins if the operator draws any arrangement of the same four digits. The unique arrangements for 2521 are listed below — there are 12 permutations total (repeated digits collapse the 24 possibilities down to 12).
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 2521 by one digit:
Cultural reading of 2521
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 |
|---|---|---|
| 2 | yi (二) | easy (similar to 易 yi), pairing |
| 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 10.
Hot or cold?
2521 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 2521 ever won?
- Yes — 2521 has been recorded as a winning number 10 times across the 10 4D operators 4dcheck tracks.
- When was the most recent time 2521 won?
- The most recent recorded draw of 2521 was on 2026-01-28 at Perdana 4D.
- Which operator has drawn 2521 most often?
- Special Cash Sweep 4D has drawn 2521 the most times in our recorded window.
- Is 2521 a hot or cold number?
- 2521 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 2521 have?
- 2521 has 12 unique 4-digit permutations — listed under the iBox section above. Each one wins if you bet 2521 on a permutation (iBox) play and that arrangement is drawn.
- What is the digit sum of 2521?
- The digits 2 + 5 + 2 + 1 sum to 10.