In Lotto under the 6/50 + 1/25 · since Apr 2025 rules — 228 draws, 6 from 1–50.
19times drawn · chance expected 27 −1.70σ
7draws waiting · a wait this long: 46% for any number
12.1average wait between appearances · chance says 8.3
46longest completed wait · 6% chance of one at least that long
21 is drawn as often as chance explains
Drawn 19 times in 228 draws against 27.4 expected, −1.70σ. Each draw is independent: after 7 draws away it is exactly as likely tonight as a number drawn yesterday.
21
Number 21, draw by draw
Drawn 19 times in 228 draws · average wait 12.1 draws · longest completed wait 46 · waiting 7 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.
Never drawn alongside 7 of the other 49 numbers; chance expects about 7 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 50. That changes nothing about whether it comes up, and everything about how many ways a jackpot on it would be shared.
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 6/50 tonight whatever it did last week.