75 (sankhya)

75 (pachattar) 74 key baad aur 76 seey pahale kii praakritik sankhya haye.
ganit mein.
75 ack swa sankhya haye kyonki koee purnank naheen haye joe apane ankon mein 75 taka jodata haye. yeh pahale paanch panchkoniya sankhyaon kaa yog haye, aur isaliye ack panchkoniya pyramidal sankhya, saath hii ack gair-vikarn sankhya bhee haye.
yeh chauthi krambaddh ghanti sankhya bhee haye, aur ack keath sankhya haye, kyonki yeh apane aadhar 10 ankon seey shuru hue fibonacci jaise anukram mein dohrati haih 7,5,12,17,29,46,75..
75 chaar vastuon key ack samooh parr kamjor crum kii sankhya kii ginati haye.
anant samuchchay koo chhodkar, teesare ayam mein 75 samaan bahu-parichhed hain, jinamen taaraa bahu-parichhed bhee shamil hain. prism aur antiprism key 7 parivaaron koo shamil karate hue, 75 samaan yaugik polyheadra bhee hain.
anya kshetron mein.
pachattar haih

