1. 
   Sexenary
   Sex'e·na·ry adjective Proceeding by sixes; sextuple; -- applied especially to a system of arithmetical computation in which the base is six.
   Found op http://www.encyclo.co.uk/webster/S/78
   
   
2. 
   Sexenary
   • (a.) Proceeding by sixes; sextuple; -- applied especially to a system of arithmetical computation in which the base is six.
   Found op http://thinkexist.com/dictionary/meaning/sexenary/
   
   

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