4D number history
4D number 1991 — drawn 12 times across our 10 tracked operators, most recently on 2026-02-15.
Most recently drawn as Consolation at Sports Toto 4D on 2026-02-15.
Wins of 1991 by operator
Every recorded draw of 1991
| Date | Operator | Prize tier |
|---|---|---|
| 2026-02-15 | Sports Toto 4D | Consolation |
| 2026-01-31 | Special Cash Sweep 4D | 1st prize |
| 2025-08-17 | STC Sandakan 4D | Special prize |
| 2025-08-07 | Grand Dragon Lotto | Consolation |
| 2025-05-07 | Sports Toto 4D | Special prize |
| 2025-03-01 | Magnum 4D | Special prize |
| 2025-02-04 | STC Sandakan 4D | Consolation |
| 2024-12-15 | Lucky Hari Hari 4D | Consolation |
| 2024-12-07 | Singapore Pools 4D | Special prize |
| 2024-04-23 | Grand Dragon Lotto | Special prize |
| 2024-04-17 | Lucky Hari Hari 4D | Consolation |
| 2024-04-03 | Lucky Hari Hari 4D | Special prize |
Number facts — 1991
A read of the four digits of 1991 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 + 9 + 9 + 1 = 20 |
|---|---|
| Digit product | 1 × 9 × 9 × 1 = 81 |
| Reverse | 1991 — same as the number (palindrome) |
| Palindrome | Yes |
| Unique digits | 2 of 4 |
| Sequential pairs | 19, 99, 91 |
| Big/Small bias | 2 small (0–4) / 2 big (5–9) — balanced |
| Parity | Odd |
| Prime | No — 1991 = 11 × 181 |
iBox / Permutation play — 1991
For an iBox or Permutation bet, your ticket wins if the operator draws any arrangement of the same four digits. The unique arrangements for 1991 are listed below — there are 6 permutations total (repeated digits collapse the 24 possibilities down to 6).
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 1991 by one digit:
Cultural reading of 1991
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 |
| 9 | gau (九) | long-lasting (similar to 久 gau) |
| 9 | gau (九) | long-lasting (similar to 久 gau) |
| 1 | yat (一) | single, the start, certainty |
Combined reading: The number reads the same forwards and backwards (a palindrome) — a mirror form sometimes interpreted as balance or stability. Includes 9 (九 gau), commonly associated with longevity through the homophone 久. The digit sum is 20.
Hot or cold?
1991 has appeared 12 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 1991 ever won?
- Yes — 1991 has been recorded as a winning number 12 times across the 10 4D operators 4dcheck tracks.
- When was the most recent time 1991 won?
- The most recent recorded draw of 1991 was on 2026-02-15 at Sports Toto 4D.
- Which operator has drawn 1991 most often?
- Lucky Hari Hari 4D has drawn 1991 the most times in our recorded window.
- Is 1991 a hot or cold number?
- 1991 sits on the hotter side of our distribution, with 12 recorded wins. Note this is a backward-looking statistic and does not affect future draw probability.
- How many iBox permutations does 1991 have?
- 1991 has 6 unique 4-digit permutations — listed under the iBox section above. Each one wins if you bet 1991 on a permutation (iBox) play and that arrangement is drawn.
- What is the digit sum of 1991?
- The digits 1 + 9 + 9 + 1 sum to 20.