Number 12

In Oz Lotto under the 7/45 + 2/45 · Jan 2009 – May 2022 rules — 697 draws, 7 from 1–45 (an earlier era).

103times drawn · chance expected 108 −0.57σ

7draws waiting · a wait this long: 36% for any number

6.6average wait between appearances · chance says 6.4

24longest completed wait · 88% chance of one at least that long

12 is drawn as often as chance explains

Drawn 103 times in 697 draws against 108.4 expected, −0.57σ. Each draw is independent: after 7 draws away it is exactly as likely tonight as a number drawn yesterday. It has also come out as the bonus ball 30 times, counted separately.

Number 12, draw by draw

Drawn 103 times in 697 draws · average wait 6.6 draws · longest completed wait 24 · waiting 7 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 12 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 smallest12 · chance 16.2
2nd smallest38 · chance 38.1
3rd smallest34 · chance 32.8
4th smallest15 · chance 13.1
5th smallest3 · chance 2.5
6th smallest1 · chance 0.2
7th smallest0 · chance 0.0

Every position’s lane →

The company it keeps

Seen most often with these — chance gives every partner about 14.0 shared draws, and the leaders are simply the ones that came out ahead this time.

22 7 17 26 33 5

It has shared a draw with every one of the other 44 numbers; chance expected about 0.0 still unmet by now. Every pair →

How many people play it

Under the crowd model, 12 is picked about 1.34× as often as an indifferent choice — 6th most popular of 45. 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
Numbers 1–12 — day and month overlap ×1.10

The model and its sources → · What people believe about 12 →

Every draw it appeared in

Date	Wait	Position	The draw
2022-03-22	1	4th	2 7 9 12 16 22 27
2022-03-15	14	3rd	6 7 12 17 33 37 41
2021-12-07	9	1st	12 17 22 28 33 36

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: 12 is drawn with probability 7/45 tonight whatever it did last week.

2019-02-12	5	5th	3 5 6 10 12 36 39
2019-01-08	11	2nd	5 12 20 32 35 36 43
2018-10-23	9	2nd	7 12 27 28 32 33 44
2018-08-21	10	4th	3 4 9 12 14 32 38
2018-06-12	2	3rd	2 7 12 22 31 38 45
2018-05-29	1	4th	1 8 9 12 13 21 44
2018-05-22	1	2nd	2 12 13 19 31 39 45
2018-05-15	15	3rd	3 6 12 13 29 40 41
2018-01-30	4	3rd	2 5 12 24 31 40 45
2018-01-02	8	3rd	1 8 12 26 28 30 43
2017-11-07	4	2nd	4 12 13 26 30 37 45
2017-10-10	4	2nd	7 12 17 20 28 31 42
2017-09-12	3	2nd	1 12 20 24 41 44 45
2017-08-22	13	2nd	7 12 14 16 40 41 43
2017-05-23	8	3rd	2 4 12 17 20 22 38
2017-03-28	11	1st	12 22 23 37 39 41 45
2017-01-10	1	2nd	2 12 17 18 34 41 43
2017-01-03	5	2nd	1 12 15 17 23 24 27
2016-11-29	8	1st	12 22 28 31 32 35 42
2016-10-04	2	4th	3 4 10 12 14 28 41
2016-09-20	3	2nd	4 12 27 31 33 34 39
2016-08-30	22	2nd	9 12 16 22 27 33 43
2016-03-29	2	3rd	3 9 12 26 33 38 39
2016-03-15	8	3rd	2 8 12 13 32 37 38
2016-01-19	8	3rd	1 10 12 13 25 31 34
2015-11-24	8	3rd	1 9 12 22 24 25 30
2015-09-29	24	4th	1 3 10 12 26 34 42
2015-04-14	10	3rd	2 3 12 24 33 42 45
2015-02-03	16	6th	2 5 7 10 11 12 36
2014-10-14	7	2nd	3 12 17 21 24 38 45
2014-08-26	9	4th	2 3 4 12 17 26 32
2014-06-24	4	2nd	8 12 26 32 36 40 41
2014-05-27	4	3rd	2 3 12 19 23 32 40
2014-04-29	1	5th	1 4 7 10 12 25 35
2014-04-22	2	3rd	4 5 12 30 35 36 43
2014-04-08	19	2nd	6 12 18 19 24 25 35
2013-11-26	8	3rd	5 6 12 24 26 31 40
2013-10-01	3	4th	1 8 11 12 27 36 42
2013-09-10	17	1st	12 18 20 21 29 37 40
2013-05-14	2	3rd	1 9 12 13 22 26 41
2013-04-30	1	2nd	6 12 26 27 32 39 44
2013-04-23	3	2nd	7 12 19 27 35 39 41
2013-04-02	5	2nd	7 12 17 35 40 42 44
2013-02-26	10	4th	7 8 10 12 18 23 34
2012-12-18	1	1st	12 15 19 22 36 41 43
2012-12-11	4	3rd	3 5 12 15 21 25 30
2012-11-13	5	4th	3 7 8 12 17 37 39
2012-10-09	3	3rd	1 4 12 15 22 33 43
2012-09-18	1	4th	6 7 11 12 14 16 17
2012-09-11	2	4th	1 9 10 12 20 26 32
2012-08-28	12	1st	12 25 26 28 35 39 42
2012-06-05	2	2nd	1 12 30 33 34 37 44
2012-05-22	12	2nd	6 12 14 22 33 38 45
2012-02-28	4	3rd	5 8 12 17 28 30 43
2012-01-31	1	3rd	1 9 12 14 18 32 39
2012-01-24	4	2nd	10 12 13 27 29 40 44
2011-12-27	3	3rd	6 9 12 18 20 35 38
2011-12-06	1	3rd	2 8 12 24 29 30 33
2011-11-29	4	4th	5 6 9 12 15 33 34
2011-11-01	3	2nd	5 12 17 23 25 31 44
2011-10-11	7	3rd	6 8 12 25 32 39 44
2011-08-23	15	3rd	7 9 12 18 26 27 39
2011-05-10	10	1st	12 15 17 30 34 35 37
2011-03-01	7	2nd	8 12 14 16 20 33 38
2011-01-11	4	2nd	9 12 17 27 28 33 34
2010-12-14	4	2nd	5 12 22 28 33 34 38
2010-11-16	12	1st	12 26 28 33 36 38 43
2010-08-24	4	3rd	2 4 12 17 19 33 44
2010-07-27	13	3rd	1 8 12 19 26 30 40
2010-04-27	17	4th	3 4 6 12 18 22 42
2009-12-29	2	2nd	6 12 13 22 27 28 33
2009-12-15	10	2nd	7 12 22 28 29 32 37
2009-10-06	1	2nd	5 12 17 22 28 34 45
2009-09-29	10	2nd	7 12 25 27 28 35 36
2009-07-21	3	4th	1 4 7 12 16 34 44
2009-06-30	6	2nd	3 12 21 23 29 38 40
2009-05-19	2	2nd	11 12 17 18 21 22 25
2009-05-05	4	3rd	6 10 12 20 24 31 42
2009-04-07	—	2nd	7 12 13 21 26 35 41