No. $6,000 moves to the Roth IRA, but only $356.44 of your basis applies to the conversion and reducing the taxable amount slightly, with $5,643.56 of basis remaining in your traditional IRAs to reduce slightly the taxable amount of future distributions. You'll always have some basis in your traditional IRAs until your traditional IRAs are fully distributed, with the last of your basis applied to the final year's distributions.
