MathNet 2003 — Part 01 Question 157

Question 157

A new sequence is obtained from the sequence of the positive integers $\{1, 2, 3, \ldots\}$ by deleting all the perfect squares. Then the $2\ 003$rd term of the new sequence is ( ).

$2\ 046$
$2\ 047$
$2\ 048$
$2\ 049$