Number 23

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

102times drawn · chance expected 108 −0.67σ

4draws waiting · a wait this long: 60% for any number

6.8average wait between appearances · chance says 6.4

30longest completed wait · 53% chance of one at least that long

23 is drawn as often as chance explains

Drawn 102 times in 697 draws against 108.4 expected, −0.67σ. Each draw is independent: after 4 draws away it is exactly as likely tonight as a number drawn yesterday. It has also come out as the bonus ball 34 times, counted separately.

Number 23, draw by draw

Drawn 102 times in 697 draws · average wait 6.8 draws · longest completed wait 30 · waiting 4 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 23 has a favourite seat — chance gives a large number the high positions more often. That is the shape of sorting, not of the machine.

1st smallest1 · chance 1.1
2nd smallest9 · chance 8.4
3rd smallest27 · chance 24.4
4th smallest32 · chance 34.3
5th smallest25 · chance 24.4
6th smallest8 · chance 8.4
7th smallest0 · chance 1.1

Every position’s lane →

The company it keeps

Seen most often with these — chance gives every partner about 13.9 shared draws, and the leaders are simply the ones that came out ahead this time.

27 21 3 6 15 26

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, 23 is picked about 1.22× as often as an indifferent choice — 15th 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

The model and its sources → · What people believe about 23 →

Every draw it appeared in

Date	Wait	Position	The draw
2022-04-12	2	3rd	2 14 23 25 26 27 30
2022-03-29	8	6th	4 7 14 15 17 23 43
2022-02-01	7	4th	8 10 20 23 37 43

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

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