Declension table of saptadaśa

Masculine	Singular	Dual	Plural
Nominative	saptadaśaḥ	saptadaśau	saptadaśāḥ
Vocative	saptadaśa	saptadaśau	saptadaśāḥ
Accusative	saptadaśam	saptadaśau	saptadaśān
Instrumental	saptadaśena	saptadaśābhyām	saptadaśaiḥ saptadaśebhiḥ
Dative	saptadaśāya	saptadaśābhyām	saptadaśebhyaḥ
Ablative	saptadaśāt	saptadaśābhyām	saptadaśebhyaḥ
Genitive	saptadaśasya	saptadaśayoḥ	saptadaśānām
Locative	saptadaśe	saptadaśayoḥ	saptadaśeṣu

Compound saptadaśa -

Adverb -saptadaśam -saptadaśāt