1 mono 2 di 3 tri 4 tetra 5 penta 6 hexa 7 hepta 8 octa 9 ennea 10 deca 11 hendeca 12 dodeca 13 triskaideca 14 tetrakaideca 15 pentakaideca 16 hexakaideca 17 heptakaideca 18 octakaideca 19 enneakaideca 20 icosa 24 icositetra 30 triconta sau triaconta 40 tetraconta 50 pentaconta 60 hexeconta (sau hexaconta) 70 heptaconta 80 octaconta 90 enneaconta 100 hecto or hecato