Number 21

In Lotto under the 6/47 + 1/47 · since Oct 2015 rules — 1,150 draws, 6 from 1–47.

148times drawn · chance expected 147 +0.11σ

10draws waiting · a wait this long: 29% for any number

7.7average wait between appearances · chance says 7.8

37longest completed wait · 66% chance of one at least that long

21 is drawn as often as chance explains

Drawn 148 times in 1,150 draws against 146.8 expected, +0.11σ. Each draw is independent: after 10 draws away it is exactly as likely tonight as a number drawn yesterday. It has also come out as the bonus ball 14 times, counted separately.

Number 21, draw by draw

Drawn 148 times in 1,150 draws · average wait 7.7 draws · longest completed wait 37 · waiting 10 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 21 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 smallest7 · chance 7.1
2nd smallest38 · chance 32.3
3rd smallest53 · chance 53.3
4th smallest37 · chance 40.0
5th smallest13 · chance 13.6
6th smallest0 · chance 1.7

Every position’s lane →

The company it keeps

Seen most often with these — chance gives every partner about 16.1 shared draws, and the leaders are simply the ones that came out ahead this time.

2 28 35 12 47 10

It has shared a draw with every one of the other 46 numbers; chance expected about 0.0 still unmet by now. Every pair →

How many people play it

Under the crowd model, 21 is picked about 1.22× as often as an indifferent choice — 15th most popular of 47. 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 21 →

Every draw it appeared in

Date	Wait	Position	The draw
2026-09-05	2	4th	8 11 15 21 33 44
2026-08-29	6	2nd	17 21 33 35 38 47
2026-08-08	14	1st	21 22 32 41 46 47
2026-06-20	1	3rd	16 19

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: 21 is drawn with probability 6/47 tonight whatever it did last week.

2024-11-20	6	5th	7 10 12 19 21 32
2024-10-30	24	1st	21 23 26 28 41 43
2024-08-07	9	3rd	12 17 21 22 36 40
2024-07-06	2	2nd	19 21 24 26 28 32
2024-06-29	7	4th	1 4 8 21 27 28
2024-06-05	9	5th	8 12 13 16 21 35
2024-05-04	27	3rd	8 10 21 33 39 47
2024-01-31	9	3rd	10 14 21 28 42 46
2023-12-30	6	2nd	13 21 27 34 36 43
2023-12-09	3	4th	2 10 11 21 34 45
2023-11-29	1	4th	2 3 6 21 28 47
2023-11-25	16	3rd	13 17 21 22 37 42
2023-09-30	3	2nd	2 21 28 32 43 45
2023-09-20	2	3rd	6 10 21 24 26 29
2023-09-13	2	3rd	16 17 21 30 35 41
2023-09-06	5	3rd	5 16 21 29 31 41
2023-08-19	1	4th	1 2 12 21 29 44
2023-08-16	3	4th	6 11 20 21 36 37
2023-08-05	2	4th	1 13 20 21 40 47
2023-07-29	9	2nd	13 21 24 35 37 46
2023-06-28	3	4th	3 9 18 21 25 34
2023-06-17	2	3rd	2 3 21 43 44 46
2023-06-10	5	3rd	4 5 21 26 27 34
2023-05-24	3	3rd	3 20 21 25 31 37
2023-05-13	2	3rd	2 6 21 32 35 38
2023-05-06	3	4th	8 11 12 21 26 37
2023-04-26	2	2nd	2 21 26 33 35 43
2023-04-19	19	2nd	19 21 25 28 38 45
2023-02-11	14	2nd	20 21 25 31 37 39
2022-12-24	1	3rd	4 18 21 30 41 45
2022-12-21	3	3rd	17 20 21 23 31 45
2022-12-10	5	3rd	2 6 21 33 35 36
2022-11-23	1	2nd	9 21 22 24 30 46
2022-11-19	12	2nd	17 21 27 40 42 45
2022-10-08	14	2nd	2 21 26 27 34 35
2022-08-20	1	2nd	14 21 24 35 38 41
2022-08-17	2	3rd	2 12 21 36 42 44
2022-08-10	11	3rd	3 10 21 25 29 36
2022-07-02	4	4th	1 15 17 21 34 42
2022-06-18	7	3rd	4 16 21 27 45 47
2022-05-25	10	5th	9 13 15 18 21 27
2022-04-20	10	2nd	12 21 22 25 39 42
2022-03-16	1	2nd	20 21 27 30 41 44
2022-03-12	2	2nd	13 21 28 37 45 46
2022-03-05	13	3rd	1 2 21 29 38 43
2022-01-19	2	1st	21 23 24 27 35 36
2022-01-12	3	5th	5 7 10 19 21 35
2022-01-01	5	3rd	4 5 21 24 25 41
2021-12-15	16	3rd	4 10 21 27 41 42
2021-10-20	1	3rd	12 19 21 33 44 46
2021-10-16	4	4th	1 7 20 21 24 44
2021-10-02	3	4th	12 17 18 21 33 37
2021-09-22	2	4th	4 11 16 21 36 40
2021-09-15	6	5th	1 2 9 13 21 34
2021-08-25	6	2nd	1 21 28 30 43 45
2021-08-04	11	5th	1 2 10 16 21 32
2021-06-26	14	3rd	10 14 21 22 35 44
2021-05-08	1	4th	2 4 14 21 41 42
2021-05-05	5	3rd	8 19 21 22 34 47
2021-04-17	2	2nd	18 21 27 29 34 47
2021-04-10	15	4th	4 11 18 21 33 35
2021-02-17	1	5th	6 7 13 19 21 45
2021-02-13	4	3rd	11 12 21 30 35 38
2021-01-30	9	3rd	7 17 21 28 38 41
2020-12-30	11	3rd	8 13 21 23 40 44
2020-11-21	10	3rd	6 19 21 27 28 36
2020-10-17	8	4th	3 5 12 21 22 39
2020-09-19	12	4th	12 14 16 21 40 47
2020-08-08	4	1st	21 28 32 33 43 47
2020-07-25	7	5th	8 11 17 19 21 39
2020-07-01	17	3rd	3 8 21 34 37 47
2020-05-02	10	4th	3 10 17 21 37 46
2020-03-28	1	3rd	2 9 21 34 37 44
2020-03-25	18	2nd	9 21 27 28 30 41
2020-01-22	12	4th	10 15 19 21 24 37
2019-12-11	5	4th	2 9 12 21 32 46
2019-11-23	13	4th	4 15 20 21 34 39
2019-10-09	1	3rd	9 10 21 27 31 35
2019-10-05	4	2nd	18 21 29 35 41 43
2019-09-21	2	5th	6 8 13 15 21 30
2019-09-14	35	2nd	16 21 24 30 31 43
2019-05-15	2	2nd	20 21 25 28 33 39
2019-05-08	3	3rd	8 17 21 28 44 46
2019-04-27	8	3rd	10 12 21 33 35 39
2019-03-30	7	4th	1 10 14 21 22 39
2019-03-06	3	4th	2 6 13 21 41 46
2019-02-23	18	3rd	3 19 21 29 31 35
2018-12-22	8	3rd	5 20 21 24 34 45
2018-11-24	2	1st	21 29 31 38 41 42
2018-11-17	11	4th	3 4 20 21 37 42
2018-10-10	1	4th	2 13 17 21 28 37
2018-10-06	3	2nd	7 21 22 29 31 46
2018-09-26	9	3rd	6 7 21 37 46 47
2018-08-25	9	5th	4 9 16 17 21 41
2018-07-25	4	3rd	3 16 21 29 36 47
2018-07-11	8	3rd	2 14 21 39 42 45
2018-06-13	33	2nd	5 21 25 29 41 43
2018-02-17	4	2nd	20 21 23 34 39 43
2018-02-03	1	3rd	7 16 21 27 30 31
2018-01-31	2	5th	2 9 13 19 21 45
2018-01-24	11	5th	2 7 15 20 21 23
2017-12-16	8	2nd	1 21 33 37 38 40
2017-11-18	4	3rd	15 17 21 24 28 36
2017-11-04	2	1st	21 31 32 43 44 47
2017-10-28	28	4th	2 3 17 21 34 39
2017-07-22	17	4th	8 14 20 21 41 44
2017-05-24	5	3rd	6 16 21 22 30 45
2017-05-06	2	4th	3 7 17 21 22 28
2017-04-29	15	4th	3 12 16 21 39 44
2017-03-08	9	3rd	11 13 21 31 32 42
2017-02-04	4	2nd	10 21 22 26 42 46
2017-01-21	5	2nd	18 21 22 23 24 36
2017-01-04	9	4th	6 10 19 21 43 44
2016-12-03	11	3rd	2 6 21 23 29 44
2016-10-26	37	2nd	11 21 22 27 30 43
2016-06-18	14	4th	4 6 15 21 22 42
2016-04-30	11	2nd	14 21 23 25 30 34
2016-03-23	2	3rd	3 10 21 25 28 34
2016-03-16	4	3rd	4 14 21 28 35 36
2016-03-02	5	3rd	10 11 21 23 25 44
2016-02-13	4	3rd	2 12 21 22 30 37
2016-01-30	11	1st	21 25 26 28 33 47
2015-12-23	21	2nd	15 21 28 32 36 47
2015-10-10	—	2nd	1 21 34 36 38 40