Orders of Magnitude (numbers) - 104

104

(10000; ten thousand or a myriad)

• BioMed: Each neuron in the human brain is estimated to connect to 10,000 others
• Demography: The population of Tuvalu was 10,544 in 2007.
• Lexicography: 14,500 unique English words occur in the King James Version of the Bible
• Language: There are 20,000–40,000 distinct Chinese characters.
• BioMed: Each human being is estimated to have 30,000 to 40,000 genes
• Mathematics: 65,537 is the largest known Fermat prime
• Memory: As of 2006, the largest number of decimal places of π that have been recited from memory is 67,890