Prasat Bayang is a ruined temple near Angkor Borei, in eastern Cambodia. The temple is known for having the earliest known depictions of Khmer numerals, dating back to AD 604.[1][2]
References
^Smith, David Eugene. The Hindu-Arabic Numerals. Dover Books. ISBN0486439135.
^Kumar Sharan, Mahesh. Studies in Sandskrit Interpretations of ancient Cambodia. Abhinav Publications. ISBN8170170060.