Number 21

In Lotto under the 6/42 · since Aug 2020 rules — 642 draws, 6 from 1–42.

99times drawn · chance expected 92 +0.82σ

4draws waiting · a wait this long: 63% for any number

6.5average wait between appearances · chance says 7.0

36longest completed wait · 36% chance of one at least that long

21 is drawn as often as chance explains

Drawn 99 times in 642 draws against 91.7 expected, +0.82σ. Each draw is independent: after 4 draws away it is exactly as likely tonight as a number drawn yesterday.

Number 21, draw by draw

Drawn 99 times in 642 draws · average wait 6.5 draws · longest completed wait 36 · 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 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 smallest4 · chance 2.7
2nd smallest10 · chance 15.8
3rd smallest31 · chance 33.4
4th smallest27 · chance 31.6
5th smallest25 · chance 13.4
6th smallest2 · chance 2.0

Every position’s lane →

The company it keeps

Seen most often with these — chance gives every partner about 12.1 shared draws, and the leaders are simply the ones that came out ahead this time.

2 3 25 1 10 22

It has shared a draw with every one of the other 41 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 42. 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
2026-09-26	6	5th	2 13 15 19 21 33
2026-09-05	1	2nd	20 21 25 30 32 42
2026-09-02	17	2nd	20 21 23 25 32 38
2026-07-04	12	3rd	2

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 6/42 tonight whatever it did last week.

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