Number 18

In Texas Two Step under the 4/35 + 1/35 · Jan 2010 – Feb 2022 rules — 1,266 draws, 4 from 1–35 (an earlier era).

140times drawn · chance expected 145 −0.41σ

5draws waiting · a wait this long: 62% for any number

9.0average wait between appearances · chance says 8.8

46longest completed wait · 45% chance of one at least that long

18 is drawn as often as chance explains

Drawn 140 times in 1,266 draws against 144.7 expected, −0.41σ. Each draw is independent: after 5 draws away it is exactly as likely tonight as a number drawn yesterday.

Number 18, draw by draw

Drawn 140 times in 1,266 draws · average wait 9.0 draws · longest completed wait 46 · waiting 5 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 18 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 smallest17 · chance 15.9
2nd smallest49 · chance 54.1
3rd smallest60 · chance 54.1
4th smallest14 · chance 15.9

Every position’s lane →

The company it keeps

Seen most often with these — chance gives every partner about 12.4 shared draws, and the leaders are simply the ones that came out ahead this time.

30 24 23 4 14 15

It has shared a draw with every one of the other 34 numbers; chance expected about 0.0 still unmet by now. Every pair →

How many people play it

Under the crowd model, 18 is picked about 1.22× as often as an indifferent choice — 15th most popular of 35. 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 18 →

Every draw it appeared in

Date	Wait	Position	The draw
2022-02-03	6	1st	18 21 24 28
2022-01-13	22	2nd	17 18 23 25
2021-10-28	30	2nd	12 18 30 35
2021-07-15	15	2nd	12 18 29 30

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: 18 is drawn with probability 4/35 tonight whatever it did last week.

2020-02-20	8	2nd	17 18 19 33
2020-01-23	14	3rd	3 16 18 20
2019-12-05	27	4th	7 11 15 18
2019-09-02	17	4th	5 7 10 18
2019-07-04	22	2nd	3 18 26 32
2019-04-18	10	3rd	4 16 18 32
2019-03-14	19	1st	18 19 24 25
2019-01-07	17	3rd	2 14 18 24
2018-11-08	2	1st	18 22 34 35
2018-11-01	6	3rd	12 15 18 21
2018-10-11	14	2nd	5 18 19 24
2018-08-23	1	4th	7 8 10 18
2018-08-20	2	1st	18 23 24 26
2018-08-13	8	3rd	1 3 18 33
2018-07-16	1	2nd	6 18 30 34
2018-07-12	6	3rd	3 6 18 19
2018-06-21	8	3rd	16 17 18 30
2018-05-24	8	3rd	1 8 18 33
2018-04-26	1	3rd	11 16 18 34
2018-04-23	9	2nd	1 18 31 33
2018-03-19	1	2nd	16 18 27 31
2018-03-15	5	3rd	5 8 18 34
2018-02-26	13	2nd	13 18 31 32
2018-01-11	1	3rd	4 15 18 29
2018-01-08	1	2nd	11 18 23 29
2018-01-04	26	2nd	17 18 27 35
2017-10-05	1	3rd	2 5 18 21
2017-10-02	3	3rd	13 15 18 31
2017-09-21	30	3rd	9 14 18 30
2017-06-08	1	3rd	12 15 18 26
2017-06-05	15	3rd	8 14 18 35
2017-04-13	5	1st	18 21 26 35
2017-03-27	7	3rd	7 12 18 26
2017-03-02	2	3rd	6 14 18 27
2017-02-23	7	2nd	5 18 23 30
2017-01-30	12	3rd	4 9 18 19
2016-12-19	2	2nd	8 18 21 25
2016-12-12	5	2nd	14 18 27 34
2016-11-24	9	3rd	1 11 18 23
2016-10-24	8	3rd	12 14 18 25
2016-09-26	11	1st	18 20 34 35
2016-08-18	10	1st	18 24 26 30
2016-07-14	3	2nd	17 18 19 31
2016-07-04	1	2nd	10 18 24 32
2016-06-30	8	2nd	14 18 23 33
2016-06-02	11	2nd	2 18 29 30
2016-04-25	1	3rd	9 14 18 25
2016-04-21	4	2nd	9 18 26 30
2016-04-07	13	3rd	2 5 18 27
2016-02-22	2	2nd	1 18 31 32
2016-02-15	35	2nd	1 18 28 33
2015-10-15	5	3rd	14 15 18 23
2015-09-28	7	1st	18 22 25 30
2015-09-03	32	4th	5 8 12 18
2015-05-14	21	3rd	4 14 18 34
2015-03-02	11	2nd	5 18 19 23
2015-01-22	5	1st	18 21 23 28
2015-01-05	9	1st	18 21 27 30
2014-12-04	2	2nd	3 18 26 35
2014-11-27	10	3rd	5 15 18 24
2014-10-23	6	3rd	1 9 18 19
2014-10-02	1	2nd	4 18 30 32
2014-09-29	4	3rd	5 17 18 27
2014-09-15	4	3rd	2 14 18 33
2014-09-01	1	2nd	12 18 28 33
2014-08-28	1	1st	18 19 24 34
2014-08-25	9	3rd	2 5 18 30
2014-07-24	8	3rd	6 11 18 25
2014-06-26	33	2nd	13 18 31 32
2014-03-03	4	3rd	2 4 18 22
2014-02-17	14	2nd	10 18 20 30
2013-12-30	10	3rd	13 14 18 23
2013-11-25	6	3rd	8 16 18 23
2013-11-04	13	4th	3 10 15 18
2013-09-19	1	3rd	9 13 18 24
2013-09-16	3	4th	8 12 15 18
2013-09-05	8	2nd	7 18 26 34
2013-08-08	1	3rd	4 15 18 20
2013-08-05	2	2nd	15 18 24 32
2013-07-29	9	2nd	2 18 20 24
2013-06-27	7	2nd	8 18 20 25
2013-06-03	9	2nd	6 18 20 34
2013-05-02	6	3rd	9 16 18 31
2013-04-11	4	3rd	7 12 18 21
2013-03-28	22	2nd	1 18 23 28
2013-01-10	12	2nd	2 18 21 26
2012-11-29	31	2nd	7 18 24 26
2012-08-13	6	3rd	11 16 18 22
2012-07-23	17	3rd	9 15 18 23
2012-05-24	1	2nd	2 18 24 25
2012-05-21	7	3rd	11 15 18 30
2012-04-26	1	2nd	8 18 19 22
2012-04-23	23	3rd	9 15 18 23
2012-02-02	5	3rd	4 6 18 33
2012-01-16	11	4th	7 8 9 18
2011-12-08	2	2nd	13 18 20 32
2011-12-01	3	2nd	17 18 20 33
2011-11-21	9	3rd	5 7 18 25
2011-10-20	11	3rd	2 16 18 26
2011-09-12	9	1st	18 22 30 34
2011-08-11	40	3rd	6 8 18 25
2011-03-24	10	4th	10 11 13 18
2011-02-17	5	4th	12 13 16 18
2011-01-31	46	4th	4 12 17 18
2010-08-23	5	2nd	4 18 25 31
2010-08-05	8	2nd	9 18 19 33
2010-07-08	4	1st	18 19 21 30
2010-06-24	4	2nd	5 18 30 33
2010-06-10	9	2nd	7 18 24 25
2010-05-10	1	4th	6 12 15 18
2010-05-06	1	2nd	7 18 19 20
2010-05-03	3	2nd	14 18 22 35
2010-04-22	12	1st	18 24 26 29
2010-03-11	9	1st	18 20 22 31
2010-02-08	2	2nd	16 18 27 31
2010-02-01	—	3rd	7 12 18 29