Yes
Yes it can, however it is not as simple as lengthening the chamber in the barrel. There are in fact 12 different modifications that must be made to the shotgun to have it work properly with the longer shell. Contact the Browning service dept for a quote. Browning is the best source to have this done.
916 as a fraction = 916/1
If you actually have a Smith & Wesson model 916 shotgun marked "Eastfield", instructions may still be available from S&W. The shotgun was not a success in the market and was withdrawn after a couple of years.
916 - 316 = 600
916 is composite.
916 - 14 = 902
It is: 916 = CMXVI
All Factors of 916:1, 2, 4, 229, 458, 916
916 is an integer not a fraction. As a decimal number it is 916, as in the question.
916 + 34 = 950
60% of 916 is 549.6
Yes, auto recovery is available for people in California. There's an auto recovery available in Sacramento. If you want more information you can call them at (916) 452-6700.