Determine the number of compounding periods for the following investment.

$\backslash$table$[[$Principal$,$Future Value,Interest Rate,$\backslash$table$[[$Frequency of$],[$Conversion$]]],[$$$3041,$$$3627,6\mathrm{.}4\%,$semi$-$annually$]]$

The number of compounding periods is

$($Round the final answer to two decimal places as needed. Round all intermediate values to six decimal places