4219

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


 * The $578$th prime number


 * The $38$th centered hexagonal number after $1, 7, 19, 37, 61, 91, 127, \ldots, 2791, 2977, 3169, 3367, 3571, 3781, 3997$:
 * $4219 = \displaystyle 1 + \sum_{k \mathop = 1}^{38 - 1} 6 k = 38^3 - 37^3$