8101

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Number

$8101$ (eight thousand, one hundred and one) is:

The $1019$th prime number

The $18$th prime number of the form $n^2 + 1$ after $2$, $5$, $17$, $37$, $101$, $197$, $257$, $401$, $577$, $677$, $1297$, $1601$, $2917$, $3137$, $4357$, $5477$, $7057$:

$8101 = 90^2 + 1$

Also see

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