| Sg. | Du. | Pl. | |
| Nom. | sahasram | sahasre | sahasrani |
| Acc. | sahasram | sahasre | sahasrani |
| Ins. | sahasrena | sahasrabhyam | sahasraih |
| Dat. | sahasraya | sahasrabhyam | sahasrebhyah |
| Abl. | sahasrat | sahasrabhyam | sahasrebhyah |
| Gen. | sahasrasya | sahasrayoh | sahasranam |
| Loc. | sahasre | sahasrayoh | sahasresu |
| Voc. | sahasram | sahasre | sahasrani |