Thanks, I looked at a tutorial at
http://smartmontools.sourceforge.net/badblockhowto.html
question is related to this statement
In this example, the disk is failing self-tests at Logical Block
Address LBA = 0x016561e9 = 23421417. The LBA counts sectors in units
of 512 bytes, and starts at zero.
How to convert LBA = 0x016561e9 to 23421417?
I use kcalc to convert hexadecimal number to decimal. Is that the question?