Naples
Twenty-one is la femmena annura in the Smorfia — a reminder that the tradition is bawdy as often as it is pious.
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Reading the draws and working out what chance predicts.
Naples
Twenty-one is la femmena annura in the Smorfia — a reminder that the tradition is bawdy as often as it is pious.
Card tables everywhere
Elsewhere twenty-one is simply the number you want, which is a folklore of its own.
Smorfia napoletana'A femmena annurathe naked woman
Cultural interest — does not change your odds.
What the machines actually did with 21, across every lottery this site holds a long record for.
Across 5 lotteries that hold a 21, its average deviation from expectation is +0.53σ. Statistically ordinary, everywhere.
The one thing a belief about a number can measurably do is change how many people play it — and a jackpot shared more ways is worth less to each winner. That is the only real consequence, and it is arithmetic rather than folklore.