4D number history
4D number 6603 — drawn 16 times across our 10 tracked operators, most recently on 2026-03-31.
Most recently drawn as Special prize at Perdana 4D on 2026-03-31.
Wins of 6603 by operator
Every recorded draw of 6603
| Date | Operator | Prize tier |
|---|---|---|
| 2026-03-31 | Perdana 4D | Special prize |
| 2026-01-23 | Perdana 4D | Special prize |
| 2026-01-19 | Perdana 4D | Special prize |
| 2025-12-24 | Magnum 4D | Consolation |
| 2025-12-02 | Lucky Hari Hari 4D | Consolation |
| 2025-11-07 | Grand Dragon Lotto | Special prize |
| 2025-10-29 | Grand Dragon Lotto | 3rd prize |
| 2025-10-22 | STC Sandakan 4D | Consolation |
| 2025-10-15 | Sports Toto 4D | Special prize |
| 2025-08-27 | Sports Toto 4D | Special prize |
| 2025-08-06 | Grand Dragon Lotto | Special prize |
| 2024-08-31 | Singapore Pools 4D | Consolation |
| 2024-08-03 | Perdana 4D | Consolation |
| 2024-06-11 | Lucky Hari Hari 4D | Special prize |
| 2024-05-05 | Lucky Hari Hari 4D | Consolation |
| 2024-03-20 | Damacai 1+3D | Special prize |
Number facts — 6603
A read of the four digits of 6603 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 | 6 + 6 + 0 + 3 = 15 |
|---|---|
| Digit product | 6 × 6 × 0 × 3 = 0 |
| Reverse | 3066 |
| Palindrome | No |
| Unique digits | 3 of 4 |
| Sequential pairs | 66, 60, 03 |
| Big/Small bias | 2 small (0–4) / 2 big (5–9) — balanced |
| Parity | Odd |
| Prime | No — 6603 = 3 × 31 × 71 |
iBox / Permutation play — 6603
For an iBox or Permutation bet, your ticket wins if the operator draws any arrangement of the same four digits. The unique arrangements for 6603 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 6603 by one digit:
Cultural reading of 6603
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 |
|---|---|---|
| 6 | luk (六) | smooth and flowing (similar to 流 lau) |
| 6 | luk (六) | smooth and flowing (similar to 流 lau) |
| 0 | ling (零) | nothing, the empty starting point |
| 3 | saam (三) | birth and growth (similar to 生 sheng) |
Combined reading: Includes 6 (六 luk), commonly associated with smoothness through the homophone 流. The digit sum is 15.
Hot or cold?
6603 has appeared 16 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 6603 ever won?
- Yes — 6603 has been recorded as a winning number 16 times across the 10 4D operators 4dcheck tracks.
- When was the most recent time 6603 won?
- The most recent recorded draw of 6603 was on 2026-03-31 at Perdana 4D.
- Which operator has drawn 6603 most often?
- Perdana 4D has drawn 6603 the most times in our recorded window.
- Is 6603 a hot or cold number?
- 6603 sits on the hotter side of our distribution, with 16 recorded wins. Note this is a backward-looking statistic and does not affect future draw probability.
- How many iBox permutations does 6603 have?
- 6603 has 12 unique 4-digit permutations — listed under the iBox section above. Each one wins if you bet 6603 on a permutation (iBox) play and that arrangement is drawn.
- What is the digit sum of 6603?
- The digits 6 + 6 + 0 + 3 sum to 15.