Number 18

In La Primitiva under the 6/49 + 1/49 · Oct 1985 – Jan 2013 rules — 2,558 draws, 6 from 1–49 (an earlier era).

299times drawn · chance expected 313 −0.86σ

11draws waiting · a wait this long: 27% for any number

8.5average wait between appearances · chance says 8.2

57longest completed wait · 18% chance of one at least that long

18 is drawn as often as chance explains

Drawn 299 times in 2,558 draws against 313.2 expected, −0.86σ. Each draw is independent: after 11 draws away it is exactly as likely tonight as a number drawn yesterday. It has also come out as the bonus ball 59 times, counted separately.

Number 18, draw by draw

Drawn 299 times in 2,558 draws · average wait 8.5 draws · longest completed wait 57 · waiting 11 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 small number the low positions more often. That is the shape of sorting, not of the machine.

1st smallest38 · chance 29.7
2nd smallest88 · chance 93.4
3rd smallest117 · chance 106.7
4th smallest44 · chance 55.2
5th smallest10 · chance 12.9
6th smallest2 · chance 1.1

Every position’s lane →

The company it keeps

Seen most often with these — chance gives every partner about 31.1 shared draws, and the leaders are simply the ones that came out ahead this time.

23 27 3 29 44 19

It has shared a draw with every one of the other 48 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 49. 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
2012-11-22	2	3rd	10 17 18 42 45 47
2012-11-15	3	2nd	9 18 20 29 33 47
2012-11-03	18	3rd	4 10 18 19 21 39
2012-09-01

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 6/49 tonight whatever it did last week.

2011-07-30	1	2nd	6 18 27 29 35 44
2011-07-28	6	3rd	5 9 18 20 35 49
2011-07-07	11	3rd	10 14 18 22 25 26
2011-05-28	8	3rd	12 14 18 20 32 44
2011-04-30	1	2nd	3 18 22 23 34 49
2011-04-28	1	5th	7 9 13 14 18 37
2011-04-23	4	1st	18 22 27 37 44 47
2011-04-09	13	2nd	7 18 19 32 33 45
2011-02-24	10	4th	5 7 16 18 26 49
2011-01-20	3	2nd	12 18 19 29 30 40
2011-01-08	8	4th	6 7 11 18 38 42
2010-12-11	11	3rd	3 7 18 26 37 44
2010-11-04	9	1st	18 34 41 43 44 45
2010-10-02	6	2nd	11 18 25 27 35 48
2010-09-11	3	3rd	2 8 18 25 30 41
2010-09-02	1	4th	3 10 12 18 19 22
2010-08-28	12	2nd	14 18 32 38 40 44
2010-07-17	1	2nd	14 18 25 27 29 46
2010-07-15	7	3rd	2 14 18 30 31 36
2010-06-19	18	3rd	3 7 18 20 34 37
2010-04-17	16	3rd	3 13 18 21 27 37
2010-02-20	7	3rd	13 14 18 20 33 45
2010-01-28	2	3rd	16 17 18 19 21 32
2010-01-21	20	4th	7 8 14 18 43 44
2009-11-12	2	3rd	5 16 18 23 34 36
2009-11-05	6	4th	3 10 14 18 34 36
2009-10-15	1	3rd	3 6 18 23 39 41
2009-10-10	19	4th	3 9 14 18 20 35
2009-08-06	3	3rd	12 17 18 19 31 48
2009-07-25	11	3rd	4 10 18 25 27 29
2009-06-18	1	3rd	10 12 18 29 39 46
2009-06-13	18	3rd	2 10 18 24 36 44
2009-04-11	10	3rd	2 6 18 28 31 38
2009-03-07	57	2nd	4 18 22 34 37 43
2008-08-21	12	4th	1 4 7 18 30 31
2008-07-10	7	2nd	12 18 20 23 27 47
2008-06-14	29	6th	1 3 11 14 15 18
2008-03-06	28	3rd	2 14 18 19 25 33
2007-11-29	22	2nd	14 18 23 26 37 48
2007-09-13	3	3rd	3 14 18 22 23 41
2007-09-01	10	2nd	13 18 19 35 39 43
2007-07-28	2	3rd	4 10 18 39 41 42
2007-07-21	10	3rd	15 17 18 36 41 46
2007-06-16	9	2nd	14 18 19 23 28 42
2007-05-17	9	3rd	2 5 18 23 37 46
2007-04-14	2	3rd	3 9 18 24 29 31
2007-04-07	4	5th	2 3 7 11 18 23
2007-03-24	8	3rd	4 11 18 31 42 47
2007-02-24	14	4th	7 8 14 18 25 44
2007-01-06	4	2nd	15 18 19 30 38 39
2006-12-23	27	1st	18 28 38 44 47 48
2006-09-21	11	3rd	5 13 18 33 34 41
2006-08-12	4	3rd	7 10 18 19 26 42
2006-07-29	3	3rd	1 3 18 20 39 44
2006-07-20	7	2nd	5 18 22 23 27 44
2006-06-24	7	1st	18 26 31 39 46 47
2006-06-01	18	2nd	17 18 19 26 41 43
2006-03-30	1	1st	18 34 38 41 46 47
2006-03-25	7	2nd	13 18 28 30 40 48
2006-03-02	8	2nd	10 18 23 39 44 46
2006-02-02	17	5th	2 8 12 13 18 31
2005-12-03	3	3rd	4 14 18 24 27 47
2005-11-24	5	1st	18 21 24 29 35 38
2005-11-05	2	3rd	4 8 18 19 23 30
2005-10-29	1	4th	6 14 16 18 39 48
2005-10-27	7	3rd	1 17 18 33 38 39
2005-10-01	5	2nd	2 18 23 35 37 48
2005-09-15	7	2nd	11 18 29 43 44 48
2005-08-20	4	1st	18 22 23 29 30 35
2005-08-06	2	3rd	3 15 18 28 37 45
2005-07-30	7	4th	7 14 15 18 47 49
2005-07-07	28	3rd	10 17 18 20 24 43
2005-03-31	3	2nd	10 18 29 46 48 49
2005-03-19	1	2nd	16 18 21 31 35 48
2005-03-17	10	3rd	9 16 18 27 37 43
2005-02-10	16	1st	18 22 28 31 48 49
2004-12-16	2	5th	1 5 9 16 18 45
2004-12-09	10	4th	9 14 16 18 28 36
2004-11-04	1	2nd	17 18 21 27 34 42
2004-10-30	10	1st	18 29 37 41 43 44
2004-09-25	11	3rd	14 15 18 21 34 38
2004-08-19	8	2nd	5 18 23 29 34 46
2004-07-22	10	3rd	4 13 18 22 26 35
2004-06-17	9	1st	18 21 23 27 33 49
2004-05-15	23	2nd	10 18 19 37 41 46
2004-02-26	4	3rd	11 17 18 19 34 40
2004-02-12	34	2nd	12 18 22 23 25 46
2003-10-16	2	3rd	3 11 18 29 39 48
2003-10-09	14	1st	18 21 22 29 36 37
2003-08-21	33	1st	18 19 24 28 36 42
2003-04-26	4	2nd	6 18 21 22 32 46
2003-04-12	7	2nd	6 18 23 27 41 43
2003-03-20	4	3rd	5 9 18 32 34 35
2003-03-06	6	3rd	1 7 18 19 28 33
2003-02-13	1	3rd	1 12 18 30 48 49
2003-02-08	12	2nd	11 18 27 41 45 46
2002-12-28	6	2nd	5 18 22 23 34 46
2002-12-07	5	1st	18 19 27 30 38 44
2002-11-21	10	3rd	7 10 18 19 21 31
2002-10-17	4	4th	8 15 16 18 35 41
2002-10-03	2	2nd	13 18 20 42 46 48
2002-09-26	12	2nd	3 18 19 23 41 47
2002-08-15	5	1st	18 22 28 32 40 48
2002-07-27	4	3rd	9 17 18 32 42 43
2002-07-13	1	1st	18 27 34 37 42 47
2002-07-11	1	3rd	5 7 18 38 39 40
2002-07-06	31	2nd	17 18 34 37 46 47
2002-03-21	2	3rd	9 13 18 33 39 46
2002-03-14	2	2nd	6 18 24 28 35 41
2002-03-07	5	2nd	4 18 21 30 35 38
2002-02-16	1	2nd	10 18 29 33 34 39
2002-02-14	23	3rd	7 15 18 25 29 48
2001-11-24	15	2nd	15 18 28 32 33 49
2001-10-04	7	3rd	16 17 18 23 40 44
2001-09-08	3	3rd	3 4 18 22 31 43
2001-08-30	2	2nd	17 18 28 34 43 49
2001-08-23	6	5th	7 8 9 17 18 42
2001-08-02	7	2nd	6 18 29 32 37 41
2001-07-07	2	2nd	12 18 21 26 27 42
2001-06-30	1	2nd	5 18 20 34 38 40
2001-06-28	11	2nd	15 18 23 30 34 41
2001-05-19	12	4th	4 9 13 18 25 32
2001-04-07	6	2nd	4 18 23 28 33 38
2001-03-17	1	3rd	6 16 18 20 23 47
2001-03-15	9	4th	6 8 17 18 28 44
2001-02-10	4	4th	4 6 15 18 22 23
2001-01-27	6	2nd	14 18 27 29 44 45
2001-01-06	4	3rd	6 13 18 28 40 45
2000-12-23	4	2nd	11 18 21 38 44 47
2000-12-09	3	4th	1 3 14 18 32 45
2000-11-30	3	1st	18 20 26 28 47 48
2000-11-18	9	4th	6 9 17 18 22 34
2000-10-19	22	4th	1 4 5 18 27 49
2000-08-03	4	3rd	3 15 18 19 34 46
2000-07-20	8	3rd	6 9 18 21 37 47
2000-06-22	4	1st	18 25 27 36 41 42
2000-06-08	29	1st	18 22 31 32 34 45
2000-02-26	1	3rd	4 8 18 19 21 36
2000-02-24	5	3rd	9 10 18 21 34 42
2000-02-05	4	3rd	14 15 18 19 45 49
2000-01-22	1	2nd	3 18 19 24 36 42
2000-01-20	11	3rd	6 9 18 22 39 48
1999-12-11	9	3rd	15 16 18 23 30 48
1999-11-11	23	1st	18 23 30 31 42 48
1999-08-21	21	2nd	7 18 22 34 45 48
1999-06-10	25	3rd	4 16 18 23 36 49
1999-03-13	4	3rd	11 12 18 24 28 37
1999-02-27	22	3rd	7 16 18 21 32 42
1998-12-12	4	3rd	8 13 18 32 34 44
1998-11-28	15	3rd	4 13 18 22 33 39
1998-10-08	14	4th	1 3 11 18 44 46
1998-08-20	4	3rd	1 4 18 25 36 43
1998-08-06	10	2nd	6 18 39 46 47 49
1998-07-02	4	3rd	9 10 18 31 34 38
1998-06-18	10	1st	18 21 30 31 40 41
1998-05-14	4	4th	5 8 11 18 21 48
1998-04-30	9	2nd	17 18 23 26 37 49
1998-03-28	10	4th	8 9 13 18 23 43
1998-02-21	6	2nd	17 18 23 29 33 47
1998-01-31	6	3rd	1 9 18 26 27 37
1998-01-10	2	4th	5 11 12 18 42 46
1998-01-03	17	2nd	13 18 21 23 37 39
1997-11-06	5	4th	5 12 13 18 30 45
1997-10-18	11	2nd	5 18 23 28 34 49
1997-09-11	1	3rd	3 14 18 30 37 40
1997-09-06	3	3rd	3 8 18 26 38 42
1997-08-28	4	3rd	10 13 18 25 33 35
1997-08-14	7	3rd	9 13 18 19 28 33
1997-07-19	9	3rd	4 7 18 31 35 38
1997-06-19	15	1st	18 31 37 39 40 42
1997-04-26	4	3rd	4 13 18 37 40 44
1997-04-12	12	3rd	6 12 18 20 23 27
1997-03-01	4	2nd	7 18 27 43 46 47
1997-02-15	12	3rd	7 10 18 20 23 44
1997-01-04	3	4th	1 11 12 18 26 40
1996-12-26	13	3rd	3 5 18 27 39 46
1996-11-09	2	1st	18 26 27 37 44 49
1996-11-02	2	2nd	14 18 33 36 45 48
1996-10-26	6	5th	1 5 9 11 18 25
1996-10-05	20	5th	1 5 6 13 18 36
1996-07-27	6	3rd	6 16 18 30 37 40
1996-07-06	10	3rd	12 17 18 19 22 32
1996-06-01	16	3rd	6 14 18 30 46 48
1996-04-06	19	4th	6 14 16 18 27 39
1996-02-01	34	4th	3 11 14 18 29 36
1995-10-05	4	5th	2 5 10 14 18 48
1995-09-21	7	3rd	3 4 18 19 25 44
1995-08-26	11	3rd	4 16 18 22 36 48
1995-07-20	29	3rd	1 11 18 29 33 49
1995-04-08	2	2nd	12 18 24 27 33 39
1995-04-01	3	3rd	3 15 18 29 43 47
1995-03-23	1	2nd	5 18 24 36 43 47
1995-03-18	13	1st	18 19 31 33 35 42
1995-02-02	4	3rd	7 14 18 39 43 47
1995-01-19	5	1st	18 25 37 38 44 49
1994-12-31	1	4th	1 3 7 18 21 42
1994-12-29	6	3rd	3 15 18 36 40 44
1994-12-08	5	3rd	3 17 18 23 25 42
1994-11-19	4	2nd	15 18 23 27 32 41
1994-11-05	2	1st	18 22 23 33 40 42
1994-10-29	19	4th	2 6 9 18 28 33
1994-08-25	23	4th	2 10 12 18 19 43
1994-06-04	10	1st	18 29 33 39 43 48
1994-04-30	7	4th	6 9 12 18 21 40
1994-04-07	20	1st	18 25 35 38 40 42
1994-01-27	6	1st	18 28 29 33 38 41
1994-01-06	2	3rd	7 8 18 35 43 49
1993-12-30	2	3rd	4 5 18 30 31 44
1993-12-23	12	4th	2 5 6 18 34 45
1993-11-11	15	3rd	2 7 18 30 39 40
1993-09-18	5	1st	18 21 22 26 30 44
1993-09-02	18	4th	7 10 15 18 19 21
1993-07-01	1	2nd	17 18 22 35 40 45
1993-06-26	4	3rd	8 16 18 20 23 46
1993-06-12	1	2nd	7 18 23 33 37 40
1993-06-10	23	3rd	3 8 18 24 36 48
1993-03-20	1	2nd	4 18 27 38 43 47
1993-03-18	5	2nd	4 18 20 35 45 46
1993-02-27	4	2nd	14 18 30 40 45 49
1993-02-13	20	3rd	9 16 18 23 31 46
1992-12-05	5	2nd	6 18 21 28 33 45
1992-11-19	5	3rd	10 16 18 30 46 49
1992-10-31	7	4th	6 15 16 18 24 49
1992-10-08	4	3rd	11 13 18 19 41 47
1992-09-24	23	2nd	17 18 31 33 42 45
1992-07-04	10	3rd	9 12 18 19 43 47
1992-05-30	7	4th	8 11 12 18 21 26
1992-05-07	17	3rd	2 17 18 29 42 44
1992-03-07	1	2nd	4 18 28 38 41 43
1992-03-05	2	3rd	2 3 18 26 29 36
1992-02-27	8	2nd	4 18 23 40 42 48
1992-01-30	8	3rd	13 15 18 29 30 36
1992-01-02	2	2nd	11 18 34 42 48 49
1991-12-26	10	2nd	14 18 29 30 32 37
1991-11-21	4	2nd	8 18 27 30 33 35
1991-11-07	12	4th	8 15 16 18 22 34
1991-09-26	13	4th	6 11 13 18 24 43
1991-08-10	4	6th	1 7 8 12 15 18
1991-07-27	8	3rd	2 8 18 20 22 29
1991-06-29	6	3rd	3 4 18 27 44 46
1991-06-06	1	3rd	5 10 18 22 28 39
1991-05-30	13	1st	18 21 25 29 30 45
1991-02-28	28	2nd	4 18 29 31 32 46
1990-08-23	3	4th	8 11 13 18 27 34
1990-08-11	6	3rd	6 12 18 23 45 48
1990-07-21	1	3rd	12 14 18 26 40 44
1990-07-19	9	2nd	15 18 22 30 37 40
1990-06-16	28	2nd	12 18 23 25 33 35
1990-01-04	3	2nd	3 18 23 31 36 48
1989-12-14	2	3rd	11 15 18 19 20 21
1989-11-30	2	1st	18 20 21 27 46 47
1989-11-16	10	3rd	3 11 18 25 32 34
1989-09-07	2	3rd	1 5 18 24 33 39
1989-08-24	11	2nd	11 18 19 22 25 30
1989-06-08	4	2nd	14 18 29 36 37 42
1989-05-11	9	2nd	6 18 20 40 42 44
1989-03-09	3	5th	1 3 7 17 18 32
1989-02-16	1	4th	3 4 13 18 26 48
1989-02-09	9	3rd	1 6 18 20 23 26
1988-12-08	2	2nd	8 18 31 36 45 49
1988-11-24	12	3rd	10 17 18 19 24 49
1988-09-01	30	4th	7 12 15 18 22 46
1988-02-04	5	4th	5 8 17 18 45 47
1987-12-31	2	3rd	8 11 18 27 33 38
1987-12-17	22	1st	18 30 35 40 46 49
1987-07-16	16	2nd	8 18 25 26 29 47
1987-03-26	7	3rd	3 12 18 25 26 49
1987-02-05	21	3rd	12 15 18 25 31 33
1986-09-04	13	3rd	4 9 18 27 37 39
1986-06-05	2	3rd	2 5 18 21 30 31
1986-05-22	13	4th	2 9 16 18 44 46
1986-02-20	1	2nd	15 18 39 42 43 49
1986-02-13	6	2nd	5 18 21 28 35 48
1986-01-02	9	2nd	16 18 38 43 44 47
1985-10-24	—	3rd	5 16 18 29 43 44