4D number history
4D number 1603 — drawn 16 times across our 10 tracked operators, most recently on 2025-10-25.
Most recently drawn as Special prize at Grand Dragon Lotto on 2025-10-25.
Wins of 1603 by operator
| Operator | Total wins | Last seen |
|---|---|---|
| Lucky Hari Hari 4D | 8 | 2025-10-24 |
| Grand Dragon Lotto | 3 | 2025-10-25 |
| Damacai 1+3D | 2 | 2025-07-02 |
| Special Cash Sweep 4D | 1 | 2025-01-08 |
| Perdana 4D | 1 | 2024-03-29 |
| Sabah 88 4D | 1 | 2024-11-20 |
Every recorded draw of 1603
| Date | Operator | Prize tier |
|---|---|---|
| 2025-10-25 | Grand Dragon Lotto | Special prize |
| 2025-10-24 | Lucky Hari Hari 4D | Special prize |
| 2025-07-02 | Damacai 1+3D | Consolation |
| 2025-02-25 | Lucky Hari Hari 4D | Special prize |
| 2025-02-16 | Grand Dragon Lotto | Special prize |
| 2025-01-08 | Special Cash Sweep 4D | Special prize |
| 2024-12-31 | Damacai 1+3D | Consolation |
| 2024-12-20 | Lucky Hari Hari 4D | Consolation |
| 2024-11-27 | Lucky Hari Hari 4D | Special prize |
| 2024-11-20 | Sabah 88 4D | Special prize |
| 2024-06-21 | Lucky Hari Hari 4D | Consolation |
| 2024-04-16 | Grand Dragon Lotto | Special prize |
| 2024-03-29 | Perdana 4D | Special prize |
| 2024-03-20 | Lucky Hari Hari 4D | Special prize |
| 2024-03-08 | Lucky Hari Hari 4D | Consolation |
| 2024-02-23 | Lucky Hari Hari 4D | Consolation |
Number facts — 1603
A read of the four digits of 1603 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 + 0 + 3 = 10 |
|---|---|
| Digit product | 1 × 6 × 0 × 3 = 0 |
| Reverse | 3061 |
| Palindrome | No |
| Unique digits | 4 of 4 |
| Sequential pairs | 16, 60, 03 |
| Big/Small bias | 3 small (0–4) / 1 big (5–9) — leans Small |
| Parity | Odd |
| Prime | No — 1603 = 7 × 229 |
iBox / Permutation play — 1603
For an iBox or Permutation bet, your ticket wins if the operator draws any arrangement of the same four digits. The unique arrangements for 1603 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 1603 by one digit:
Cultural reading of 1603
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) |
| 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 10.
Hot or cold?
1603 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 1603 ever won?
- Yes — 1603 has been recorded as a winning number 16 times across the 10 4D operators 4dcheck tracks.
- When was the most recent time 1603 won?
- The most recent recorded draw of 1603 was on 2025-10-25 at Grand Dragon Lotto.
- Which operator has drawn 1603 most often?
- Lucky Hari Hari 4D has drawn 1603 the most times in our recorded window.
- Is 1603 a hot or cold number?
- 1603 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 1603 have?
- 1603 has 24 unique 4-digit permutations — listed under the iBox section above. Each one wins if you bet 1603 on a permutation (iBox) play and that arrangement is drawn.
- What is the digit sum of 1603?
- The digits 1 + 6 + 0 + 3 sum to 10.