Number 21

In Lotto Strike under the 4/45 · since Oct 2019 rules — 1,215 draws, 4 from 1–45.

88times drawn · chance expected 108 −2.02σ

14draws waiting · a wait this long: 30% for any number

13.8average wait between appearances · chance says 11.3

73longest completed wait · 10% chance of one at least that long

21 is drawn as often as chance explains

Drawn 88 times in 1,215 draws against 108.0 expected, −2.02σ. Each draw is independent: after 14 draws away it is exactly as likely tonight as a number drawn yesterday.

Number 21, draw by draw

Drawn 88 times in 1,215 draws · average wait 13.8 draws · longest completed wait 73 · waiting 14 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 smallest16 · chance 13.4
2nd smallest33 · chance 36.7
3rd smallest32 · chance 30.3
4th smallest7 · chance 7.6

Every position’s lane →

The company it keeps

Seen most often with these — chance gives every partner about 6.0 shared draws, and the leaders are simply the ones that came out ahead this time.

2 6 45 7 10 31

Never drawn alongside 1 of the other 44 numbers; chance expects about 0.1 such strangers 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 45. 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
2026-09-18	5	3rd	5 20 21 40
2026-09-09	28	1st	21 27 31 33
2026-07-22	6	3rd	7 13 21 38
2026-07-11	12	2nd	13 21 29 41
2026-06-20	2	3rd	6

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 4/45 tonight whatever it did last week.

2025-03-03	8	4th	4 6 15 21
2025-02-17	73	2nd	5 21 26 35
2024-10-12	12	3rd	2 8 21 45
2024-09-21	6	2nd	6 21 24 29
2024-09-11	23	3rd	6 19 21 41
2024-08-02	11	1st	21 27 28 30
2024-07-13	2	2nd	2 21 24 36
2024-07-10	1	3rd	5 7 21 44
2024-07-08	3	4th	10 11 16 21
2024-07-03	2	1st	21 25 30 31
2024-06-29	11	1st	21 24 30 44
2024-06-10	11	2nd	16 21 26 36
2024-05-22	5	2nd	3 21 32 36
2024-05-11	2	3rd	17 20 21 31
2024-05-06	9	3rd	1 2 21 40
2024-04-15	39	3rd	5 14 21 45
2024-01-15	49	3rd	6 7 21 37
2023-09-23	16	3rd	13 16 21 29
2023-08-16	10	2nd	20 21 22 34
2023-07-24	13	2nd	6 21 22 39
2023-06-24	29	2nd	4 21 30 37
2023-04-17	13	2nd	4 21 42 45
2023-03-18	4	3rd	1 6 21 44
2023-03-08	6	1st	21 38 41 45
2023-02-22	5	3rd	10 16 21 29
2023-02-11	7	4th	4 7 20 21
2023-01-25	13	3rd	7 8 21 27
2022-12-26	6	2nd	7 21 35 42
2022-12-12	11	2nd	2 21 26 37
2022-11-16	11	2nd	20 21 31 38
2022-10-22	25	3rd	7 17 21 41
2022-08-24	4	3rd	10 18 21 44
2022-08-15	7	1st	21 22 41 44
2022-07-30	14	3rd	12 17 21 26
2022-06-27	7	2nd	4 21 28 36
2022-06-11	1	2nd	11 21 39 45
2022-06-08	4	1st	21 30 41 43
2022-05-30	25	2nd	18 21 26 36
2022-04-02	1	3rd	1 6 21 27
2022-03-30	2	4th	11 13 20 21
2022-03-26	5	3rd	2 13 21 22
2022-03-14	9	1st	21 33 34 37
2022-02-21	9	2nd	3 21 39 45
2022-01-31	16	3rd	2 12 21 43
2021-12-25	15	2nd	6 21 31 42
2021-11-20	2	2nd	20 21 25 33
2021-11-15	21	3rd	5 13 21 29
2021-09-27	18	3rd	4 15 21 24
2021-08-16	30	2nd	8 21 36 45
2021-06-07	15	3rd	10 12 21 41
2021-05-03	21	2nd	16 21 28 32
2021-03-15	34	1st	21 24 44 45
2020-12-26	1	2nd	2 21 30 32
2020-12-23	14	3rd	11 16 21 30
2020-11-21	8	2nd	2 21 37 39
2020-11-02	13	1st	21 40 42 45
2020-10-03	33	3rd	3 11 21 29
2020-07-18	24	2nd	2 21 35 43
2020-05-23	2	2nd	1 21 30 45
2020-05-18	38	4th	13 16 20 21
2020-02-19	2	2nd	7 21 36 43
2020-02-15	41	3rd	3 4 21 24
2019-11-11	4	4th	5 17 18 21
2019-11-02	—	4th	2 10 12 21