Check eBay sold listings for a better idea on whether or not this possible to do. Since trinary serial numbers aren't rare, they are typically just worth $1 and are spenders to most people, BUT that doesn't mean you couldn't possibly sell it on eBay and potentially clear more than a $1 after eBay fees, PayPal fees and shipping costs. There are 99,999,999 possible serial numbers (if you ignore the fact the BEP usually stops at 96,000,000 it makes the calculation simpler) and dividing 4,838,400 by 99,999,999 results in 4.84% of the serial numbers are trinarys, which unfortunately isn't at all rare Multiply the two answers together to get the number of different possible trinary serial numbers or 120 x 40,320 = 4,838,400. This is the factorial of the number of positions (8! = 40320) divided by the factorial of the number of each digit used. The next question is how many ways can you arrange 3 different numbers into 8 positions, where all three numbers can be used more than once. Of course your EXACT serial number is uniqueīut if you're asking how many trinary serial numbers there can be, then a little math is called for.įirst question is how many ways can you pick 3 different digits out of the ten digits 0 through 9? This is a combination problem that you can use the Excel combin function to choose 3 numbers out of 10 numbers.
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