Number 51

In El Gordo de la Primitiva under the 5/54 + 1/9 · since Jan 2010 rules — 868 draws, 5 from 1–54.

96times drawn · chance expected 80 +1.83σ

4draws waiting · a wait this long: 75% for any number

9.1average wait between appearances · chance says 10.8

49longest completed wait · 59% chance of one at least that long

51 is drawn as often as chance explains

Drawn 96 times in 868 draws against 80.4 expected, +1.83σ. Each draw is independent: after 4 draws away it is exactly as likely tonight as a number drawn yesterday.

Number 51, draw by draw

Drawn 96 times in 868 draws · average wait 9.1 draws · longest completed wait 49 · 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 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 smallest0 · chance 0.0
2nd smallest0 · chance 0.0
3rd smallest0 · chance 1.2
4th smallest24 · chance 19.3
5th smallest72 · chance 75.5

Every position’s lane →

The company it keeps

Seen most often with these — chance gives every partner about 7.2 shared draws, and the leaders are simply the ones that came out ahead this time.

12 28 37 38 47 10

It has shared a draw with every one of the other 53 numbers; chance expected about 0.0 still unmet 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 — 34th most popular of 54. 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
2026-09-27	8	5th	12 21 33 35 51
2026-08-02	19	5th	16 23 29 35 51
2026-03-22	5	5th	11 22 28 48 51
2026-02-15	8	5th	19 21

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 5/54 tonight whatever it did last week.

2023-01-08	2	5th	13 25 37 41 51
2022-12-25	21	4th	21 24 44 51 54
2022-07-31	11	5th	2 36 45 47 51
2022-05-15	5	4th	18 32 37 51 52
2022-04-10	9	5th	4 16 24 49 51
2022-02-06	7	5th	13 18 47 50 51
2021-12-19	2	5th	10 19 20 27 51
2021-12-05	2	5th	8 28 33 46 51
2021-11-21	4	5th	11 15 22 43 51
2021-10-24	6	4th	2 13 38 51 53
2021-09-12	4	5th	11 15 21 35 51
2021-08-15	9	5th	7 12 44 47 51
2021-06-13	2	5th	4 14 21 25 51
2021-05-30	25	5th	6 13 19 28 51
2020-12-06	15	4th	12 31 32 51 52
2020-08-23	3	5th	9 13 22 29 51
2020-08-02	11	5th	6 19 39 50 51
2020-03-08	3	5th	38 40 44 49 51
2020-02-16	16	4th	12 29 34 51 53
2019-10-27	3	5th	25 26 28 29 51
2019-10-06	2	5th	3 14 18 37 51
2019-09-22	10	4th	24 29 35 51 54
2019-07-14	24	5th	12 18 40 42 51
2019-01-27	8	4th	11 20 35 51 53
2018-12-02	4	5th	9 20 29 34 51
2018-11-04	20	5th	2 18 45 49 51
2018-06-17	17	5th	2 27 34 44 51
2018-02-18	16	4th	23 30 42 51 54
2017-10-29	2	4th	9 11 21 51 54
2017-10-15	3	5th	18 26 30 33 51
2017-09-24	9	5th	12 16 19 27 51
2017-07-23	1	4th	7 12 34 51 52
2017-07-16	10	5th	24 38 45 47 51
2017-05-07	10	4th	2 21 37 51 53
2017-02-26	4	5th	3 23 32 36 51
2017-01-29	4	5th	15 40 41 49 51
2017-01-01	6	5th	6 10 32 45 51
2016-11-20	5	5th	16 22 36 41 51
2016-10-16	34	5th	2 25 33 46 51
2016-02-21	2	5th	15 34 37 49 51
2016-02-07	4	5th	3 14 40 49 51
2016-01-10	9	5th	13 21 28 43 51
2015-11-08	49	5th	6 9 43 47 51
2014-11-30	23	5th	11 37 38 49 51
2014-06-22	4	5th	5 22 28 41 51
2014-05-25	4	5th	9 26 40 47 51
2014-04-27	12	5th	4 10 23 31 51
2014-02-02	12	4th	31 44 47 51 52
2013-11-10	11	4th	6 7 29 51 54
2013-08-25	8	5th	4 8 10 20 51
2013-06-30	5	4th	16 32 49 51 52
2013-05-26	4	5th	6 7 32 41 51
2013-04-28	1	5th	18 23 27 38 51
2013-04-21	4	5th	25 28 31 41 51
2013-03-24	10	5th	6 22 30 31 51
2013-01-13	13	5th	17 27 44 45 51
2012-10-14	8	5th	3 15 19 35 51
2012-08-19	19	4th	3 14 25 51 52
2012-04-08	2	5th	20 33 38 48 51
2012-03-25	32	5th	2 23 26 48 51
2011-08-14	2	5th	12 29 36 39 51
2011-07-31	1	4th	17 18 23 51 53
2011-07-24	3	5th	10 14 37 39 51
2011-07-03	4	5th	26 37 44 47 51
2011-06-05	10	5th	7 24 31 47 51
2011-03-27	5	5th	8 11 36 44 51
2011-02-20	14	5th	7 18 35 42 51
2010-11-14	11	5th	14 15 37 38 51
2010-08-29	17	5th	20 23 28 45 51
2010-05-02	12	5th	4 8 22 36 51
2010-02-07	5	5th	22 24 45 47 51
2010-01-03	—	4th	21 24 48 51 53