Number 21

In PowerBall under the 5/50 + 1/20 · since Jun 2018 rules — 865 draws, 5 from 1–50.

89times drawn · chance expected 87 +0.28σ

1draws waiting · a wait this long: >99% for any number

9.7average wait between appearances · chance says 10.0

54longest completed wait · 28% chance of one at least that long

21 is drawn as often as chance explains

Drawn 89 times in 865 draws against 86.5 expected, +0.28σ. Each draw is independent: after 1 draws away it is exactly as likely tonight as a number drawn yesterday.

Number 21, draw by draw

Drawn 89 times in 865 draws · average wait 9.7 draws · longest completed wait 54 · waiting 1 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 smallest10 · chance 10.0
2nd smallest34 · chance 30.7
3rd smallest35 · chance 32.4
4th smallest9 · chance 13.9
5th smallest1 · chance 2.0

Every position’s lane →

The company it keeps

Seen most often with these — chance gives every partner about 7.3 shared draws, and the leaders are simply the ones that came out ahead this time.

33 18 13 28 16 48

It has shared a draw with every one of the other 49 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 50. 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
2026-10-06	24	3rd	12 18 21 35 46
2026-07-14	2	3rd	9 13 21 36 40
2026-07-07	2	3rd	16 18 21 29 47
2026-06-30	41	1st	21 26 40 42

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 5/50 tonight whatever it did last week.

2024-01-23	7	3rd	9 16 21 26 39
2023-12-29	7	2nd	17 21 38 48 49
2023-12-05	3	3rd	19 20 21 30 39
2023-11-24	4	1st	21 32 40 41 47
2023-11-10	4	3rd	3 18 21 37 46
2023-10-27	6	3rd	16 17 21 31 36
2023-10-06	6	2nd	19 21 25 41 49
2023-09-15	16	2nd	3 21 28 35 46
2023-07-21	1	2nd	19 21 25 31 48
2023-07-18	3	2nd	5 21 33 45 50
2023-07-07	3	2nd	8 21 25 26 29
2023-06-27	3	2nd	7 21 33 45 46
2023-06-16	6	2nd	13 21 26 30 50
2023-05-26	8	3rd	4 9 21 22 41
2023-04-28	6	2nd	20 21 28 35 44
2023-04-07	6	3rd	9 15 21 22 26
2023-03-17	5	1st	21 22 27 41 43
2023-02-28	4	3rd	2 14 21 22 40
2023-02-14	1	4th	8 14 18 21 49
2023-02-10	11	3rd	3 5 21 42 46
2023-01-03	12	2nd	2 21 33 39 42
2022-11-22	28	3rd	5 18 21 37 38
2022-08-16	3	1st	21 33 40 42 48
2022-08-05	7	3rd	16 18 21 32 44
2022-07-12	1	3rd	1 17 21 47 48
2022-07-08	2	4th	4 9 19 21 37
2022-07-01	8	4th	6 8 13 21 28
2022-06-03	3	4th	12 17 20 21 33
2022-05-24	15	3rd	7 16 21 22 32
2022-04-01	7	3rd	11 17 21 37 47
2022-03-08	11	3rd	8 14 21 40 43
2022-01-28	19	3rd	1 12 21 26 48
2021-11-23	10	3rd	3 18 21 24 28
2021-10-19	16	3rd	15 19 21 24 41
2021-08-24	1	1st	21 23 34 35 41
2021-08-20	8	2nd	6 21 33 37 50
2021-07-23	18	1st	21 45 47 48 49
2021-05-21	13	2nd	19 21 24 45 50
2021-04-06	6	3rd	3 13 21 42 45
2021-03-16	4	3rd	11 20 21 32 36
2021-03-02	40	3rd	1 11 21 32 42
2020-10-09	1	2nd	8 21 38 41 50
2020-10-06	10	2nd	6 21 25 29 33
2020-09-01	14	2nd	16 21 22 36 39
2020-07-14	5	2nd	20 21 28 48 49
2020-06-26	2	3rd	11 20 21 34 50
2020-06-19	12	1st	21 28 29 33 48
2020-05-08	5	2nd	12 21 30 35 45
2020-04-21	9	3rd	8 13 21 46 50
2020-03-20	29	4th	4 9 16 21 36
2019-12-10	3	2nd	18 21 24 40 50
2019-11-29	10	3rd	6 11 21 25 49
2019-10-25	2	2nd	2 21 29 37 49
2019-10-18	9	2nd	15 21 31 34 44
2019-09-17	29	2nd	13 21 23 35 49
2019-06-07	2	3rd	4 11 21 22 45
2019-05-31	1	2nd	5 21 25 27 47
2019-05-28	28	2nd	15 21 25 33 43
2019-02-19	11	3rd	14 18 21 26 35
2019-01-11	4	2nd	8 21 25 29 42
2018-12-28	19	2nd	18 21 30 32 50
2018-10-23	16	3rd	4 17 21 28 48
2018-08-28	2	3rd	4 13 21 41 44
2018-08-21	9	2nd	19 21 23 34 45
2018-07-20	—	2nd	9 21 22 33 39