Number 13

In Big Sky Bonus under the 4/31 + 1/16 · since Oct 2024 rules — 726 draws, 4 from 1–31.

84times drawn · chance expected 94 −1.07σ

3draws waiting · a wait this long: 76% for any number

8.4average wait between appearances · chance says 7.8

45longest completed wait · 17% chance of one at least that long

13 is drawn as often as chance explains

Drawn 84 times in 726 draws against 93.7 expected, −1.07σ. Each draw is independent: after 3 draws away it is exactly as likely tonight as a number drawn yesterday.

Number 13, draw by draw

Drawn 84 times in 726 draws · average wait 8.4 draws · longest completed wait 45 · waiting 3 draws now

a completed wait — darker is longer the wait still running — a lower bound, not a finished gap

Where it lands in a sorted draw

Sort a draw and 13 has a favourite seat — chance gives a small number the low positions more often. That is the shape of sorting, not of the machine.

1st smallest19 · chance 16.9
2nd smallest39 · chance 38.0
3rd smallest23 · chance 24.6
4th smallest3 · chance 4.6

Every position’s lane →

The company it keeps

Seen most often with these — chance gives every partner about 8.4 shared draws, and the leaders are simply the ones that came out ahead this time.

29 11 24 27 5 19

It has shared a draw with every one of the other 30 numbers; chance expected about 0.0 still unmet by now. Every pair →

How many people play it

Under the crowd model, 13 is picked about 0.92× as often as an indifferent choice — 31st most popular of 31. That changes nothing about whether it comes up, and everything about how many ways a jackpot on it would be shared.

Numbers 1–31 — the birthday zone ×1.22
The number 13, in Western markets ×0.75

The model and its sources → · What people believe about 13 →

Every draw it appeared in

Date	Wait	Position	The draw
2026-10-08	12	2nd	1 13 21 26
2026-09-26	1	2nd	3 13 23 31
2026-09-25	22	3rd	7 8 13 29
2026-09-03	11	1st	13 25 28 29
2026-08-23	1	1st

What this cannot tell you

Nothing here predicts the next draw. A number’s history is a record of a fair machine’s past, and the machine keeps none of it: 13 is drawn with probability 4/31 tonight whatever it did last week.

2026-03-17	1	3rd	8 11 13 23
2026-03-16	8	1st	13 19 26 31
2026-03-08	11	3rd	11 12 13 18
2026-02-25	1	4th	2 5 6 13
2026-02-24	3	4th	9 11 12 13
2026-02-21	3	2nd	3 13 27 31
2026-02-18	12	1st	13 17 21 25
2026-02-06	16	1st	13 19 29 31
2026-01-21	12	1st	13 14 26 27
2026-01-09	17	3rd	7 11 13 31
2025-12-23	18	2nd	11 13 14 22
2025-12-05	9	3rd	5 11 13 23
2025-11-26	7	1st	13 18 27 31
2025-11-19	3	1st	13 26 27 28
2025-11-16	2	2nd	10 13 17 27
2025-11-14	15	3rd	1 11 13 27
2025-10-30	21	3rd	2 6 13 25
2025-10-09	3	2nd	9 13 16 25
2025-10-06	8	2nd	3 13 29 31
2025-09-28	7	2nd	9 13 24 30
2025-09-21	25	2nd	5 13 14 26
2025-08-27	7	3rd	7 11 13 28
2025-08-20	3	2nd	5 13 21 25
2025-08-17	14	2nd	1 13 18 19
2025-08-03	5	2nd	5 13 14 30
2025-07-29	15	3rd	7 8 13 21
2025-07-14	4	2nd	7 13 19 21
2025-07-10	6	2nd	10 13 23 29
2025-07-04	4	2nd	7 13 29 30
2025-06-30	1	3rd	11 12 13 29
2025-06-29	12	2nd	9 13 16 24
2025-06-17	5	1st	13 19 20 29
2025-06-12	5	1st	13 22 24 27
2025-06-07	6	3rd	7 8 13 27
2025-06-01	25	2nd	10 13 19 25
2025-05-07	6	2nd	11 13 21 27
2025-05-01	4	2nd	8 13 19 22
2025-04-27	4	2nd	2 13 19 28
2025-04-23	5	2nd	2 13 18 26
2025-04-18	2	3rd	6 12 13 24
2025-04-16	7	1st	13 23 26 30
2025-04-09	4	3rd	4 10 13 18
2025-04-05	11	4th	1 4 7 13
2025-03-25	5	1st	13 20 21 23
2025-03-20	6	2nd	11 13 15 24
2025-03-14	5	1st	13 22 28 31
2025-03-09	21	3rd	4 9 13 18
2025-02-16	13	3rd	6 9 13 26
2025-02-03	10	3rd	2 5 13 31
2025-01-24	1	3rd	4 5 13 14
2025-01-23	13	2nd	5 13 17 24
2025-01-10	7	2nd	6 13 20 22
2025-01-03	13	2nd	11 13 16 24
2024-12-21	1	1st	13 15 27 31
2024-12-20	14	1st	13 15 16 22
2024-12-06	12	2nd	4 13 29 30
2024-11-24	5	3rd	6 8 13 23
2024-11-19	7	3rd	1 12 13 21
2024-11-12	6	3rd	3 7 13 15
2024-11-06	—	3rd	2 11 13 20