6578

Number
$6578$ (six thousand, five hundred and seventy-eight) is:


 * $2 \times 11 \times 13 \times 23$


 * The smallest positive integer which can be expressed as the sum of $3$ fourth powers in $2$ different ways:
 * $6578 = 1^4 + 2^4 + 9^4 = 81 + 2401 + 4096$

Also see

 * Positive Integer Sum of 3 Fourth Powers in 2 Ways