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(about 3000 B.C. or probably much earlier), distinct and special names for each of the units of different denominations have been taken, viz. eka (for 1), dasa (10), shata (10%), sahasra (108), ayuta (104) niyuta (10"), prayuta (10%), arbuda (10"), nyarbuda (10), somudra (10), madhya (1070), anta (10"), and parardha (1012).
The combination terms used by the Jainas indicate that sufficiently large numbers were of frequent usage and that is the reason why the combination terms were preferred over the distinct terms as given in the vedas.
The Jainas and the Buddhists employed fantastically large numbers in the measurement of space and time. No nation has used such large numbers. By the conception of 'Shirsha Prahelika' the Swetamber Jains suggested a number of the order of (8400,000)28 for a certain measurement of time. Bhaskara Hema Chandra (b. 11th Cent. A.D), the commentator of Anuyoga dwara-sutra (about 100 B.C.), has stated that this number viz. (8400,000)28 or (8428 x 10146) occupies 194 notational values. The Jainas used i Samaya as the smallest unit of time.
The following table', according to the Swetamber Jains*, exhibits the complete series of 36 other units of time between one Samaya and one Shirsha Prahelika, the smallest and the greatest units respectively.
TABLE OF THE UNITS OF TIME (BY SWETAMBARA JAINS) An infinite number of Samayas == 1 aylika
44462458 aylika=1 pran
7 prans=1 stoka 7 stoka = 1 lava 38} lava1 ghari
2 ghari=1 muhurta ( 48 minutes) 30 muhurta=1 ahoratra 30 ahoratra=1 masa (month)
12 masa =1 varsh (year) 8400,000 varsh = 1 poorvang
» poorvang=1 poorva ,, poorva = 1 trutitang ,, trutitang=1 trutit ,, trutit = 1 addaang ,, addaang=1 ad ,, ad =lavvang
35. See Anuyoga-dwara-sutra. Chap. on Samaya. 36. See Anuyoga-dwara-sutra. Sutra 116. 37. See Bhagwati Sutra. Sutra 6, 7. p, 246-7.
See Vishwa Prahilika by Muni Shri Mahandra Kumar Ji Jain. Jan. 1969.
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