4219

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Number

$4219$ (four thousand, two hundred and nineteen) is:

The $578$th prime number

The $38$th centered hexagonal number after $1$, $7$, $19$, $37$, $61$, $91$, $127$, $\ldots$, $2791$, $2977$, $3169$, $3367$, $3571$, $3781$, $3997$:

$4219 = \ds 1 + \sum_{k \mathop = 1}^{38 - 1} 6 k = 38^3 - 37^3$

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