Number 51

In SuperEnalotto under the 6/90 + 1/90 · Dec 1997 – Jul 2009 rules — 1,425 draws, 6 from 1–90 (an earlier era).

104times drawn · chance expected 95 +0.96σ

0draws waiting — it came up last time

13.7average wait between appearances · chance says 15.0

60longest completed wait · 83% chance of one at least that long

51 is drawn as often as chance explains

Drawn 104 times in 1,425 draws against 95.0 expected, +0.96σ. Each draw is independent: after 0 draws away it is exactly as likely tonight as a number drawn yesterday. It has also come out as the bonus ball 19 times, counted separately.

Number 51, draw by draw

Drawn 104 times in 1,425 draws · average wait 13.7 draws · longest completed wait 60 · drawn in the most recent draw

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 51 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 smallest2 · chance 1.4
2nd smallest14 · chance 10.3
3rd smallest20 · chance 28.1
4th smallest45 · chance 36.4
5th smallest19 · chance 22.5
6th smallest4 · chance 5.3

Every position’s lane →

The company it keeps

Seen most often with these — chance gives every partner about 5.8 shared draws, and the leaders are simply the ones that came out ahead this time.

19 66 40 62 63 1

Never drawn alongside 1 of the other 89 numbers; chance expects about 0.3 such strangers by now. Every pair →

How many people play it

Under the crowd model, 51 is picked about 0.86× as often as an indifferent choice — 38th most popular of 90. That changes nothing about whether it comes up, and everything about how many ways a jackpot on it would be shared.

Numbers above 31 ×0.86

The model and its sources → · What people believe about 51 →

Every draw it appeared in

Date	Wait	Position	The draw
2009-06-30	46	4th	12 19 24 51 56 78
2009-03-14	7	4th	10 15 46 51 65 75
2009-02-26	10	5th	10 19 25 35 51 73

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: 51 is drawn with probability 6/90 tonight whatever it did last week.

2007-08-02	9	3rd	16 24 51 55 59 66
2007-07-12	60	3rd	1 35 51 56 68 79
2007-02-22	8	3rd	28 44 51 72 81 90
2007-02-03	15	5th	3 12 32 43 51 58
2006-12-30	10	4th	2 20 32 51 53 83
2006-12-07	3	4th	4 19 31 51 56 57
2006-11-30	1	3rd	1 31 51 73 77 88
2006-11-28	5	2nd	50 51 57 59 64 74
2006-11-16	7	4th	36 42 46 51 72 84
2006-10-31	24	5th	8 19 27 43 51 79
2006-09-05	33	3rd	16 21 51 64 65 89
2006-06-20	5	3rd	22 26 51 63 64 73
2006-06-08	3	3rd	5 42 51 66 69 74
2006-06-01	2	3rd	18 33 51 66 87 90
2006-05-27	14	4th	5 11 33 51 82 85
2006-04-26	17	4th	13 18 47 51 60 64
2006-03-16	3	6th	8 10 15 42 48 51
2006-03-09	12	4th	10 12 15 51 66 68
2006-02-09	19	4th	7 33 38 51 53 67
2005-12-27	5	3rd	3 5 51 55 82 83
2005-12-15	15	4th	6 26 42 51 60 79
2005-11-10	24	5th	3 15 23 40 51 60
2005-09-15	9	5th	19 36 44 46 51 89
2005-08-25	19	5th	7 15 33 40 51 64
2005-07-12	1	5th	5 24 28 41 51 73
2005-07-09	8	4th	2 13 18 51 52 55
2005-06-21	8	4th	10 13 45 51 65 88
2005-05-25	28	6th	17 19 35 39 40 51
2005-02-16	2	4th	6 8 18 51 80 89
2005-02-09	10	4th	23 35 36 51 59 80
2005-01-05	16	1st	51 53 63 75 76 87
2004-11-10	5	2nd	15 51 63 79 83 90
2004-10-23	14	3rd	12 40 51 68 73 77
2004-09-04	5	5th	35 37 41 43 51 88
2004-08-18	33	3rd	4 19 51 57 66 89
2004-04-24	3	4th	7 19 27 51 63 86
2004-04-14	20	2nd	24 51 64 69 71 77
2004-02-04	7	3rd	11 30 51 54 88 90
2004-01-10	4	5th	15 25 26 32 51 61
2003-12-27	28	4th	7 19 37 51 53 74
2003-09-20	3	3rd	42 44 51 64 65 77
2003-09-10	11	3rd	39 50 51 64 72 81
2003-08-02	37	4th	12 41 45 51 66 77
2003-03-26	10	4th	15 37 43 51 61 89
2003-02-19	8	3rd	12 19 51 61 62 90
2003-01-22	23	1st	51 57 58 69 86 89
2002-11-20	17	4th	18 26 44 51 63 90
2002-09-21	4	4th	1 10 16 51 76 89
2002-09-07	25	2nd	16 51 57 64 72 90
2002-06-12	2	2nd	37 51 58 62 63 86
2002-06-05	7	4th	4 41 43 51 85 89
2002-05-11	6	3rd	10 17 51 54 62 65
2002-04-20	8	4th	19 42 45 51 62 88
2002-03-23	16	6th	1 29 35 38 45 51
2002-01-26	8	4th	25 33 41 51 66 76
2001-12-31	7	2nd	41 51 54 63 66 69
2001-12-10	4	4th	5 19 40 51 85 87
2001-11-24	49	4th	6 7 16 51 62 83
2001-06-06	27	5th	7 18 44 48 51 63
2001-03-03	46	5th	5 13 18 40 51 56
2000-09-23	20	2nd	12 51 56 73 85 88
2000-07-15	23	4th	5 18 24 51 55 74
2000-04-26	9	2nd	17 51 67 70 82 86
2000-03-25	10	4th	15 27 47 51 62 63
2000-02-19	1	4th	25 28 37 51 54 81
2000-02-16	2	4th	8 27 39 51 54 90
2000-02-09	11	4th	6 36 49 51 52 76
2000-01-03	13	4th	17 38 48 51 55 62
1999-11-17	24	2nd	6 51 73 78 80 81
1999-08-25	2	5th	1 25 28 39 51 89
1999-08-18	32	3rd	13 16 51 56 65 67
1999-04-28	16	2nd	1 51 53 55 73 86
1999-03-03	12	3rd	40 41 51 62 66 80
1999-01-20	2	5th	1 43 45 48 51 56
1999-01-13	28	4th	18 23 45 51 61 86
1998-10-07	57	5th	6 13 17 49 51 83
1998-03-21	10	4th	17 30 38 51 77 80
1998-02-14	5	4th	37 40 46 51 58 66
1998-01-28	3	4th	2 3 49 51 63 79
1998-01-17	—	4th	29 37 49 51 55 74