Excellent point Alan. It just goes to show that there is no such thing as "base 10". Rather, what is commonly termed "base 10" is actually "base A". Think about it...
-adam >>> Alan Young <[email protected]> 11/20/2009 1:18 PM >>> On Fri, Nov 20, 2009 at 13:06, Sasha Pachev <[email protected]> wrote: > If you had a 64 bit number written down in hex, how could you quickly > tell without the aid of any computational device, including pencil or > paper if it is divisible by 15? > > How about 17? By 15 do you mean 15 or F? By 17 do you mean 17 or 11? -- Alan /* PLUG: http://plug.org, ( http://plug.org, ) #utah on irc.freenode.net Unsubscribe: http://plug.org/mailman/options/plug Don't fear the penguin. */ /* PLUG: http://plug.org, #utah on irc.freenode.net Unsubscribe: http://plug.org/mailman/options/plug Don't fear the penguin. */
