4D number history
6399
4D number 6399 — drawn 28 times across our 10 tracked operators, most recently on 2026-04-11.
Most recently drawn as Consolation at Singapore Pools 4D on 2026-04-11.
Wins of 6399 by operator
Every recorded draw of 6399
Number facts — 6399
A read of the four digits of 6399 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 + 3 + 9 + 9 = 27 |
|---|---|
| Digit product | 6 × 3 × 9 × 9 = 1458 |
| Reverse | 9936 |
| Palindrome | No |
| Unique digits | 3 of 4 |
| Sequential pairs | 63, 39, 99 |
| Big/Small bias | 1 small (0–4) / 3 big (5–9) — leans Big |
| Parity | Odd |
| Prime | No — 6399 = 3^4 × 79 |
iBox / Permutation play — 6399
For an iBox or Permutation bet, your ticket wins if the operator draws any arrangement of the same four digits. The unique arrangements for 6399 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 6399 by one digit:
Cultural reading of 6399
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) |
| 3 | saam (三) | birth and growth (similar to 生 sheng) |
| 9 | gau (九) | long-lasting (similar to 久 gau) |
| 9 | gau (九) | long-lasting (similar to 久 gau) |
Combined reading: Includes 9 (九 gau), commonly associated with longevity through the homophone 久. Includes 6 (六 luk), commonly associated with smoothness through the homophone 流. The digit sum is 27.
Hot or cold?
6399 has appeared 28 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
Jump straight to an operator's archive:
Related
Frequently asked questions
- Has 4D number 6399 ever won?
- Yes — 6399 has been recorded as a winning number 28 times across the 10 4D operators 4dcheck tracks.
- When was the most recent time 6399 won?
- The most recent recorded draw of 6399 was on 2026-04-11 at Singapore Pools 4D.
- Which operator has drawn 6399 most often?
- Singapore Pools 4D has drawn 6399 the most times in our recorded window.
- Is 6399 a hot or cold number?
- 6399 sits on the hotter side of our distribution, with 28 recorded wins. Note this is a backward-looking statistic and does not affect future draw probability.
- How many iBox permutations does 6399 have?
- 6399 has 12 unique 4-digit permutations — listed under the iBox section above. Each one wins if you bet 6399 on a permutation (iBox) play and that arrangement is drawn.
- What is the digit sum of 6399?
- The digits 6 + 3 + 9 + 9 sum to 27.