Declension table of sāhasra

Neuter	Singular	Dual	Plural
Nominative	sāhasram	sāhasre	sāhasrāṇi
Vocative	sāhasra	sāhasre	sāhasrāṇi
Accusative	sāhasram	sāhasre	sāhasrāṇi
Instrumental	sāhasreṇa	sāhasrābhyām	sāhasraiḥ
Dative	sāhasrāya	sāhasrābhyām	sāhasrebhyaḥ
Ablative	sāhasrāt	sāhasrābhyām	sāhasrebhyaḥ
Genitive	sāhasrasya	sāhasrayoḥ	sāhasrāṇām
Locative	sāhasre	sāhasrayoḥ	sāhasreṣu

Compound sāhasra -

Adverb -sāhasram -sāhasrāt