4D number history
4D number 1663 — drawn 10 times across our 10 tracked operators, most recently on 2026-05-13.
Most recently drawn as Consolation at Singapore Pools 4D on 2026-05-13.
Wins of 1663 by operator
| Operator | Total wins | Last seen |
|---|---|---|
| Lucky Hari Hari 4D | 3 | 2025-11-11 |
| Damacai 1+3D | 2 | 2025-10-22 |
| Grand Dragon Lotto | 2 | 2026-03-31 |
| Special Cash Sweep 4D | 1 | 2024-01-21 |
| Singapore Pools 4D | 1 | 2026-05-13 |
| Sports Toto 4D | 1 | 2024-06-12 |
Every recorded draw of 1663
| Date | Operator | Prize tier |
|---|---|---|
| 2026-05-13 | Singapore Pools 4D | Consolation |
| 2026-03-31 | Grand Dragon Lotto | Special prize |
| 2025-11-11 | Lucky Hari Hari 4D | Consolation |
| 2025-10-22 | Damacai 1+3D | 2nd prize |
| 2025-09-04 | Lucky Hari Hari 4D | Special prize |
| 2025-04-02 | Damacai 1+3D | Consolation |
| 2024-06-12 | Sports Toto 4D | 1st prize |
| 2024-04-16 | Grand Dragon Lotto | Consolation |
| 2024-03-13 | Lucky Hari Hari 4D | Special prize |
| 2024-01-21 | Special Cash Sweep 4D | Consolation |
Number facts — 1663
A read of the four digits of 1663 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 + 6 + 3 = 16 |
|---|---|
| Digit product | 1 × 6 × 6 × 3 = 108 |
| Reverse | 3661 |
| Palindrome | No |
| Unique digits | 3 of 4 |
| Sequential pairs | 16, 66, 63 |
| Big/Small bias | 2 small (0–4) / 2 big (5–9) — balanced |
| Parity | Odd |
| Prime | Yes — 1663 is prime |
iBox / Permutation play — 1663
For an iBox or Permutation bet, your ticket wins if the operator draws any arrangement of the same four digits. The unique arrangements for 1663 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 1663 by one digit:
Cultural reading of 1663
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) |
| 6 | luk (六) | smooth and flowing (similar to 流 lau) |
| 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 16.
Hot or cold?
1663 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 1663 ever won?
- Yes — 1663 has been recorded as a winning number 10 times across the 10 4D operators 4dcheck tracks.
- When was the most recent time 1663 won?
- The most recent recorded draw of 1663 was on 2026-05-13 at Singapore Pools 4D.
- Which operator has drawn 1663 most often?
- Lucky Hari Hari 4D has drawn 1663 the most times in our recorded window.
- Is 1663 a hot or cold number?
- 1663 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 1663 have?
- 1663 has 12 unique 4-digit permutations — listed under the iBox section above. Each one wins if you bet 1663 on a permutation (iBox) play and that arrangement is drawn.
- What is the digit sum of 1663?
- The digits 1 + 6 + 6 + 3 sum to 16.