Number 30

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

93times drawn · chance expected 95 −0.21σ

38draws waiting · a wait this long: 8% for any number

15.1average wait between appearances · chance says 15.0

72longest completed wait · 50% chance of one at least that long

30 is drawn as often as chance explains

Drawn 93 times in 1,425 draws against 95.0 expected, −0.21σ. Each draw is independent: after 38 draws away it is exactly as likely tonight as a number drawn yesterday. It has also come out as the bonus ball 9 times, counted separately.

Number 30, draw by draw

Drawn 93 times in 1,425 draws · average wait 15.1 draws · longest completed wait 72 · waiting 38 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 30 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 smallest11 · chance 12.2
2nd smallest31 · chance 31.7
3rd smallest34 · chance 31.1
4th smallest15 · chance 14.5
5th smallest2 · chance 3.2
6th smallest0 · chance 0.3

Every position’s lane →

The company it keeps

Seen most often with these — chance gives every partner about 5.2 shared draws, and the leaders are simply the ones that came out ahead this time.

23 74 78 1 2 8

It has shared a draw with every one of the other 89 numbers; chance expected about 0.5 still unmet by now. Every pair →

How many people play it

Under the crowd model, 30 is picked about 1.28× as often as an indifferent choice — 13th 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 1–31 — the birthday zone ×1.22
Round numbers (multiples of 10) ×1.05

The model and its sources → · What people believe about 30 →

Every draw it appeared in

Date	Wait	Position	The draw
2009-04-02	18	4th	3 12 16 30 84 89
2009-02-19	25	2nd	28 30 32 33 34 52
2008-12-23	7	1st	30 45 66 69 75 80

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

2007-12-01	5	3rd	6 19 30 53 55 76
2007-11-20	11	3rd	1 18 30 34 65 75
2007-10-25	16	4th	3 6 7 30 67 89
2007-09-18	1	3rd	7 17 30 56 68 80
2007-09-15	9	2nd	10 30 57 64 72 75
2007-08-25	6	4th	4 23 25 30 34 57
2007-08-11	10	1st	30 37 41 62 65 68
2007-07-19	8	2nd	21 30 33 45 62 70
2007-06-30	23	3rd	4 24 30 61 66 69
2007-05-08	8	2nd	14 30 33 35 58 76
2007-04-19	4	2nd	28 30 65 74 77 83
2007-04-10	15	2nd	8 30 39 66 69 78
2007-03-06	4	4th	1 8 21 30 81 86
2007-02-24	6	2nd	1 30 60 70 74 77
2007-02-10	22	2nd	11 30 55 76 77 90
2006-12-21	32	3rd	2 10 30 43 56 83
2006-10-07	7	3rd	15 29 30 68 79 85
2006-09-21	15	4th	2 8 27 30 35 87
2006-08-17	13	3rd	4 25 30 40 41 62
2006-07-18	24	3rd	3 27 30 38 43 60
2006-05-23	11	1st	30 36 39 68 71 80
2006-04-27	11	3rd	8 23 30 53 69 78
2006-04-01	1	2nd	15 30 33 37 62 78
2006-03-30	20	4th	1 4 14 30 78 82
2006-02-11	12	4th	1 2 8 30 42 43
2006-01-14	1	1st	30 31 33 44 77 89
2006-01-12	18	2nd	26 30 38 55 69 75
2005-12-01	2	2nd	22 30 43 56 69 78
2005-11-26	4	2nd	23 30 32 41 48 64
2005-11-17	5	3rd	20 26 30 39 40 55
2005-11-05	72	2nd	13 30 60 67 84 86
2005-05-07	8	4th	6 11 21 30 58 63
2005-04-09	8	2nd	29 30 61 65 73 81
2005-03-12	32	3rd	2 8 30 74 76 88
2004-11-20	6	2nd	29 30 38 54 66 78
2004-10-30	32	4th	4 13 19 30 53 81
2004-07-10	35	2nd	13 30 47 66 74 81
2004-03-10	10	1st	30 52 55 65 71 80
2004-02-04	25	2nd	11 30 51 54 88 90
2003-11-08	7	2nd	7 30 43 52 57 82
2003-10-15	34	3rd	11 26 30 34 43 73
2003-06-18	5	4th	2 12 26 30 65 74
2003-05-31	23	1st	30 44 47 48 53 56
2003-03-12	27	3rd	5 27 30 58 78 82
2002-12-17	29	3rd	5 27 30 31 34 86
2002-09-14	8	3rd	20 23 30 44 78 88
2002-08-17	17	2nd	15 30 33 35 87 88
2002-06-19	23	3rd	22 24 30 58 60 89
2002-03-30	4	1st	30 56 57 73 82 84
2002-03-16	16	2nd	5 30 34 50 82 84
2002-01-19	3	3rd	15 19 30 46 47 71
2002-01-09	20	2nd	15 30 37 52 61 87
2001-11-03	4	3rd	7 24 30 59 66 89
2001-10-20	9	4th	16 19 20 30 31 47
2001-09-19	38	3rd	10 21 30 45 55 57
2001-05-09	23	2nd	7 30 47 76 83 89
2001-02-17	11	3rd	9 17 30 37 40 46
2001-01-10	41	3rd	8 14 30 31 35 76
2000-08-19	40	2nd	5 30 32 35 55 87
2000-04-01	17	3rd	3 9 30 58 60 88
2000-02-02	32	4th	12 13 28 30 47 63
1999-10-13	45	3rd	6 24 30 34 37 71
1999-05-08	26	4th	11 14 15 30 68 81
1999-02-06	11	4th	9 10 26 30 44 54
1998-12-30	17	1st	30 36 45 49 63 89
1998-10-31	40	3rd	1 21 30 61 73 84
1998-06-13	24	3rd	13 26 30 34 83 86
1998-03-21	30	2nd	17 30 38 51 77 80
1997-12-06	—	5th	2 4 25 29 30 52