Number 21

In Western 49 under the 6/49 · since May 2025 rules — 145 draws, 6 from 1–49.

17times drawn · chance expected 18 −0.19σ

10draws waiting · a wait this long: 31% for any number

7.9average wait between appearances · chance says 8.2

27longest completed wait · 42% chance of one at least that long

21 is drawn as often as chance explains

Drawn 17 times in 145 draws against 17.8 expected, −0.19σ. Each draw is independent: after 10 draws away it is exactly as likely tonight as a number drawn yesterday.

Number 21, draw by draw

Drawn 17 times in 145 draws · average wait 7.9 draws · longest completed wait 27 · waiting 10 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 smallest3 · chance 1.0
2nd smallest3 · chance 4.1
3rd smallest6 · chance 6.2
4th smallest5 · chance 4.3
5th smallest0 · chance 1.3
6th smallest0 · chance 0.2

Every position’s lane →

The company it keeps

Seen most often with these — chance gives every partner about 1.8 shared draws, and the leaders are simply the ones that came out ahead this time.

22 10 18 29 39 48

Never drawn alongside 7 of the other 48 numbers; chance expects about 8 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 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

Date	Wait	Position	The draw
2026-09-05	6	1st	21 29 30 35 36 48
2026-08-15	3	4th	10 13 19 21 22 38
2026-08-05	17	3rd	10 18 21 35 46 49
2026-06-06	6	4th

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.