2056

Number
$2056$ (two thousand and fifty-six) is:


 * $2^3 \times 257$


 * The magic constant of a magic square of order $16$, after $1$, $(5)$, $15$, $34$, $\ldots$, $870$, $1105$, $1379$, $1695$:
 * $2056 = \displaystyle \dfrac 1 {16} \sum_{k \mathop = 1}^{16^2} k = \dfrac {16 \paren {16^2 + 1} } 2$