17(n = noun.quantity) seventeen, xvii - the cardinal number that is the sum of sixteen and one;
is a kind of large integer

   17(s = adj.all) seventeen, xvii - being one more than sixteen;

   denoting a quantity consisting of one more than sixteen and one less than eighteen; -- representing the number seventeen as Arabic numerals [WordNet 1.5]

17 november, atomic number 17, force 17, march 17, revolutionary organization 17 november, september 17