2161

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Number

$2161$ (two thousand, one hundred and sixty-one) is:

The $326$th prime number

The $3$rd integer $m$ after $1$, $47$ whose cube can be expressed as the sum of $m$ consecutive squares:

$2161^3 = \ds \sum_{k \mathop = 1}^{2161} \paren {989 + k}^2$

Also see

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