4D number history

1631

4D number 1631 — drawn 16 times across our 10 tracked operators, most recently on 2026-04-09.

16
Total wins
6
Operators
2026-04-09
Last seen
Lucky Hari Hari 4D
Top operator

Most recently drawn as Special prize at Grand Dragon Lotto on 2026-04-09.

Wins of 1631 by operator

OperatorTotal winsLast seen
Lucky Hari Hari 4D62025-11-08
Grand Dragon Lotto42026-04-09
Magnum 4D22024-09-22
Sports Toto 4D22025-02-02
Special Cash Sweep 4D12025-01-08
Perdana 4D12025-11-08

Every recorded draw of 1631

DateOperatorPrize tier
2026-04-09Grand Dragon LottoSpecial prize
2026-03-16Grand Dragon LottoConsolation
2026-03-15Grand Dragon Lotto2nd prize
2025-11-08Lucky Hari Hari 4D1st prize
2025-11-08Perdana 4D1st prize
2025-07-07Lucky Hari Hari 4DSpecial prize
2025-06-27Lucky Hari Hari 4DSpecial prize
2025-06-13Grand Dragon LottoConsolation
2025-06-13Lucky Hari Hari 4DSpecial prize
2025-05-20Lucky Hari Hari 4DConsolation
2025-03-06Lucky Hari Hari 4DConsolation
2025-02-02Sports Toto 4DConsolation
2025-01-08Special Cash Sweep 4DSpecial prize
2024-12-04Sports Toto 4DConsolation
2024-09-22Magnum 4D3rd prize
2024-08-11Magnum 4DConsolation

Number facts — 1631

A read of the four digits of 1631 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 sum1 + 6 + 3 + 1 = 11
Digit product1 × 6 × 3 × 1 = 18
Reverse1361
PalindromeNo
Unique digits3 of 4
Sequential pairs16, 63, 31
Big/Small bias3 small (0–4) / 1 big (5–9) — leans Small
ParityOdd
PrimeNo — 1631 = 7 × 233

iBox / Permutation play — 1631

For an iBox or Permutation bet, your ticket wins if the operator draws any arrangement of the same four digits. The unique arrangements for 1631 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 1631 by one digit:

Cultural reading of 1631

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.

DigitSoundCommon association
1yat (一)single, the start, certainty
6luk (六)smooth and flowing (similar to 流 lau)
3saam (三)birth and growth (similar to 生 sheng)
1yat (一)single, the start, certainty

Combined reading: Includes 6 (六 luk), commonly associated with smoothness through the homophone 流. The digit sum is 11.

Cultural notes are for entertainment only. 4D numbers are randomly drawn — no digit pattern, palindrome, or folk reading changes a number's probability of winning.

Hot or cold?

1631 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 1631 ever won?
Yes — 1631 has been recorded as a winning number 16 times across the 10 4D operators 4dcheck tracks.
When was the most recent time 1631 won?
The most recent recorded draw of 1631 was on 2026-04-09 at Grand Dragon Lotto.
Which operator has drawn 1631 most often?
Lucky Hari Hari 4D has drawn 1631 the most times in our recorded window.
Is 1631 a hot or cold number?
1631 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 1631 have?
1631 has 12 unique 4-digit permutations — listed under the iBox section above. Each one wins if you bet 1631 on a permutation (iBox) play and that arrangement is drawn.
What is the digit sum of 1631?
The digits 1 + 6 + 3 + 1 sum to 11.