6(n = noun.quantity) captain hicks, half a dozen, hexad, sestet, sextet, sextuplet, sise, six, sixer, vi - the cardinal number that is the sum of five and one;
is a kind of digit, figure

   6(s = adj.all) half dozen, half-dozen, six, vi - denoting a quantity consisting of six items or units;

   one more than five; denoting a quantity consisting of six items or units; -- representing the number six as an Arabic numeral [WordNet 1.5]

6 june 1944, atomic number 6, august 6, january 6, military intelligence section 6