Srimad Bhagavatam Canto 11, Chapter 22, Text 22

SB 11.22.22

sankhyane saptadasake
 bhuta-matrendriyani ca
pañca pañcaika-manasa
 atma saptadasah smrtah
 
Translation: 
 
Some calculate the existence of seventeen basic elements, namely the five gross elements, the five objects of perception, the five sensory organs, the mind, and the soul as the seventeenth element.
Srimad Bhagavatam Canto 11, Chapter 22, Text 21
Srimad Bhagavatam Canto 11, Chapter 22, Text 23