11,681

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Number

$11 \, 681$ (eleven thousand, six hundred and eighty-one) is:

The $1402$nd prime number


The $8$th after $11 \, 593$, $11 \, 597$, $11 \, 617$, $11 \, 621$, $11 \, 633$, $11 \, 657$, $11 \, 677$ of a sequence of consecutive prime numbers all of the form $4 n + 1$:
$11 \, 681 = 4 \times 2920 + 1$


Also see

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