Usage: 2 forms in 3 verses
Form Translated As     In Verse(s)
εκκαιδεκάτη sixteenth LXX.2Chr.29.17
εκκαιδέκατοσ sixteenth LXX.1Chr.24.14LXX.1Chr.25.23

Liddell-Scott-Jones

ἑκκαιδέκατος (hekkaidekatos) sixteenth G:A

ἑκκαιδέκατος, η, ον,

sixteenth, [Refs 5th c.BC+]