Lotto · every number
21
Number 21 In Lotto under the 6/49 + 1/49 · Jan 2010 – Aug 2017 rules — 789 draws, 6 from 1–49 (an earlier era).
6/58 + 1/56 · since Sep 2025 6/52 + 1/52 · Aug 2017 – Sep 2025 6/49 + 1/49 · Jan 2010 – Aug 2017 89 times drawn · chance expected 97 −0.83σ
18 draws waiting · a wait this long: 11% for any number
8.8 average wait between appearances · chance says 8.2
43 longest completed wait · 31% chance of one at least that long
21 is drawn as often as chance explains Drawn 89 times in 789 draws against 96.6 expected, −0.83σ. Each draw is independent: after 18 draws away it is exactly as likely tonight as a number drawn yesterday. It has also come out as the bonus ball 15 times, counted separately.
21 Number 21, draw by draw Drawn 89 times in 789 draws · average wait 8.8 draws · longest completed wait 43 · waiting 18 draws now
6 draws: 2010-01-02 to 2010-01-23 10 draws: 2010-01-23 to 2010-02-27 4 draws: 2010-02-27 to 2010-03-13 15 draws: 2010-03-13 to 2010-05-05 2 draws: 2010-05-05 to 2010-05-12 1 draws: 2010-05-12 to 2010-05-15 4 draws: 2010-05-15 to 2010-05-29 6 draws: 2010-05-29 to 2010-06-19 7 draws: 2010-06-19 to 2010-07-14 6 draws: 2010-07-14 to 2010-08-04 9 draws: 2010-08-04 to 2010-09-04 5 draws: 2010-09-04 to 2010-09-22 7 draws: 2010-09-22 to 2010-10-16 6 draws: 2010-10-16 to 2010-11-06 30 draws: 2010-11-06 to 2011-02-23 4 draws: 2011-02-23 to 2011-03-09 8 draws: 2011-03-09 to 2011-04-06 2 draws: 2011-04-06 to 2011-04-13 2 draws: 2011-04-13 to 2011-04-20 2 draws: 2011-04-20 to 2011-04-27 10 draws: 2011-04-27 to 2011-06-01 1 draws: 2011-06-01 to 2011-06-04 8 draws: 2011-06-04 to 2011-07-02 7 draws: 2011-07-02 to 2011-07-27 4 draws: 2011-07-27 to 2011-08-10 2 draws: 2011-08-10 to 2011-08-17 2 draws: 2011-08-17 to 2011-08-24 10 draws: 2011-08-24 to 2011-09-28 2 draws: 2011-09-28 to 2011-10-05 17 draws: 2011-10-05 to 2011-12-03 1 draws: 2011-12-03 to 2011-12-07 6 draws: 2011-12-07 to 2011-12-28 6 draws: 2011-12-28 to 2012-01-18 8 draws: 2012-01-18 to 2012-02-15 6 draws: 2012-02-15 to 2012-03-07 4 draws: 2012-03-07 to 2012-03-21 25 draws: 2012-03-21 to 2012-06-16 5 draws: 2012-06-16 to 2012-07-04 2 draws: 2012-07-04 to 2012-07-11 25 draws: 2012-07-11 to 2012-10-06 12 draws: 2012-10-06 to 2012-11-17 1 draws: 2012-11-17 to 2012-11-21 1 draws: 2012-11-21 to 2012-11-24 13 draws: 2012-11-24 to 2013-01-09 1 draws: 2013-01-09 to 2013-01-12 1 draws: 2013-01-12 to 2013-01-16 10 draws: 2013-01-16 to 2013-02-20 1 draws: 2013-02-20 to 2013-02-23 1 draws: 2013-02-23 to 2013-02-27 20 draws: 2013-02-27 to 2013-05-08 2 draws: 2013-05-08 to 2013-05-15 11 draws: 2013-05-15 to 2013-06-22 5 draws: 2013-06-22 to 2013-07-10 4 draws: 2013-07-10 to 2013-07-24 4 draws: 2013-07-24 to 2013-08-07 2 draws: 2013-08-07 to 2013-08-14 4 draws: 2013-08-14 to 2013-08-28 9 draws: 2013-08-28 to 2013-09-28 4 draws: 2013-09-28 to 2013-10-12 14 draws: 2013-10-12 to 2013-11-30 4 draws: 2013-11-30 to 2013-12-14 21 draws: 2013-12-14 to 2014-03-01 5 draws: 2014-03-01 to 2014-03-19 11 draws: 2014-03-19 to 2014-04-26 1 draws: 2014-04-26 to 2014-04-30 18 draws: 2014-04-30 to 2014-07-02 3 draws: 2014-07-02 to 2014-07-12 13 draws: 2014-07-12 to 2014-08-27 5 draws: 2014-08-27 to 2014-09-13 11 draws: 2014-09-13 to 2014-10-22 43 draws: 2014-10-22 to 2015-03-21 3 draws: 2015-03-21 to 2015-04-01 8 draws: 2015-04-01 to 2015-04-29 10 draws: 2015-04-29 to 2015-06-03 1 draws: 2015-06-03 to 2015-06-06 23 draws: 2015-06-06 to 2015-08-26 5 draws: 2015-08-26 to 2015-09-12 17 draws: 2015-09-12 to 2015-11-11 27 draws: 2015-11-11 to 2016-02-13 6 draws: 2016-02-13 to 2016-03-05 9 draws: 2016-03-05 to 2016-04-06 8 draws: 2016-04-06 to 2016-05-04 18 draws: 2016-05-04 to 2016-07-06 1 draws: 2016-07-06 to 2016-07-09 42 draws: 2016-07-09 to 2016-12-03 3 draws: 2016-12-03 to 2016-12-14 5 draws: 2016-12-14 to 2016-12-31 42 draws: 2016-12-31 to 2017-05-27 Still waiting — at least 18 draws since 2017-05-27 2010-01-02 2010-01-23 2010-02-27 2010-03-13 2010-05-05 2010-05-12 2010-05-15 2010-05-29 2010-06-19 2010-07-14 2010-08-04 2010-09-04 2010-09-22 2010-10-16 2010-11-06 2011-02-23 2011-03-09 2011-04-06 2011-04-13 2011-04-20 2011-04-27 2011-06-01 2011-06-04 2011-07-02 2011-07-27 2011-08-10 2011-08-17 2011-08-24 2011-09-28 2011-10-05 2011-12-03 2011-12-07 2011-12-28 2012-01-18 2012-02-15 2012-03-07 2012-03-21 2012-06-16 2012-07-04 2012-07-11 2012-10-06 2012-11-17 2012-11-21 2012-11-24 2013-01-09 2013-01-12 2013-01-16 2013-02-20 2013-02-23 2013-02-27 2013-05-08 2013-05-15 2013-06-22 2013-07-10 2013-07-24 2013-08-07 2013-08-14 2013-08-28 2013-09-28 2013-10-12 2013-11-30 2013-12-14 2014-03-01 2014-03-19 2014-04-26 2014-04-30 2014-07-02 2014-07-12 2014-08-27 2014-09-13 2014-10-22 2015-03-21 2015-04-01 2015-04-29 2015-06-03 2015-06-06 2015-08-26 2015-09-12 2015-11-11 2016-02-13 2016-03-05 2016-04-06 2016-05-04 2016-07-06 2016-07-09 2016-12-03 2016-12-14 2016-12-31 2017-05-27 2010-01-02 2017-07-29
1 draws: 12 times 2 draws: 10 times 3 draws: 3 times 4 draws: 10 times 5 draws: 7 times 6 draws: 8 times 7 draws: 3 times 8 draws: 5 times 9 draws: 3 times 10 draws: 5 times 11 draws: 3 times 12 draws: 1 time 13 draws: 2 times 14 draws: 1 time 15 draws: 1 time 16 draws: 0 times 17 draws: 2 times 18 draws: 2 times 19 draws: 0 times 20 draws: 1 time 21 draws: 1 time 22 draws: 0 times 23 draws: 1 time 24 draws: 0 times 25 draws: 2 times 26 draws: 0 times 27 draws: 1 time 28 draws: 0 times 29 draws: 0 times 30 draws: 1 time 31 draws: 0 times 32 draws: 0 times 33 draws: 0 times 34 draws: 0 times 35 draws: 0 times 36 draws: 0 times 37 draws: 0 times 38 draws: 0 times 39 draws: 0 times 40 draws: 0 times 41 draws: 0 times 42 draws: 2 times 43 draws: 1 time 44 draws: 0 times its own waits draws between appearances 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 smallest 3 · chance 5.1 2nd smallest 20 · chance 21.3 3rd smallest 32 · chance 32.4 4th smallest 25 · chance 22.4 5th smallest 7 · chance 7.1 6th smallest 2 · chance 0.8 Every position’s lane →
The company it keeps Seen most often with these — chance gives every partner about 9.3 shared draws, and the leaders are simply the ones that came out ahead this time.
It has shared a draw with every one of the other 48 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 49. 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 ← number 20 Every number number 22 → 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 6/49 tonight whatever it did last week.