Number 21

In Big Sky Bonus under the 4/31 + 1/17 · Nov 2016 – Oct 2024 rules — 2,889 draws, 4 from 1–31 (an earlier era).

358times drawn · chance expected 373 −0.82σ

5draws waiting · a wait this long: 58% for any number

8.1average wait between appearances · chance says 7.8

47longest completed wait · 46% chance of one at least that long

21 is drawn as often as chance explains

Drawn 358 times in 2,889 draws against 372.8 expected, −0.82σ. Each draw is independent: after 5 draws away it is exactly as likely tonight as a number drawn yesterday.

Number 21, draw by draw

Drawn 358 times in 2,889 draws · average wait 8.1 draws · longest completed wait 47 · waiting 5 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 large number the high positions more often. That is the shape of sorting, not of the machine.

1st smallest11 · chance 10.6
2nd smallest55 · chance 79.4
3rd smallest171 · chance 167.5
4th smallest121 · chance 100.5

Every position’s lane →

The company it keeps

Seen most often with these — chance gives every partner about 35.8 shared draws, and the leaders are simply the ones that came out ahead this time.

6 19 15 27 4 26

It has shared a draw with every one of the other 30 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 31. 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
2024-10-10	4	3rd	1 15 21 29
2024-10-06	10	4th	2 3 15 21
2024-09-26	9	2nd	7 21 28 30
2024-09-17	3	3rd	12 19 21 26

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 4/31 tonight whatever it did last week.

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