
 Kids.Net.Au  Encyclopedia > Babylonian numerals (Site not responding. Last check: ) 
  Sixty was chosen due to its prime factorization[?] 2*2*3*5 which causes it to be divisible by numerous numbers, including 1, 2, 3, 4, 5, 6, 10, 12, 20, and 30. 
  Sexagesimals still survive to this day, in the form of degrees, minutes and seconds in trigonometry and time. 
  See also: Numeral system, Arabic numerals, Armenian numerals, Chinese numerals, Greek numerals, Hebrew numerals, Indian numerals, Mayan numerals, Roman numerals. 
 www.kids.net.au /encyclopediawiki/ba/Babylonian_numerals (137 words) 
