271

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Number

$271$ (two hundred and seventy-one) is:

The $58$th prime number

The $10$th centered hexagonal number after $1$, $7$, $19$, $37$, $61$, $91$, $127$, $169$, $217$:

$271 = 1 + 6 + 12 + 18 + 24 + 30 + 36 + 42 + 48 + 54 = 10^3 - 9^3$

The $12$th of $29$ primes of the form $2 x^2 + 29$:

$2 \times 11^2 + 29 = 271$ (Previous  ... Next)

The larger of the $18$th pair of twin primes, with $269$

Also see

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