Publisher's Synopsis
73 is the 21st prime number. 73 is an emirp, meaning that the reverse of 73, that is, 37, is also a prime number. 73 is also the 21st prime number while 37 is the 12th prime number. 7×3 = 21 The number 21 has prime factors 7 and 3. The number 21 in binary is 10101. 7 in binary is 111. 3 in binary is 11. and 73 in binary is 1001001. These are palindromes. The number of digits of 1001001 is 7 and the sum is 3. 73 multiplied by 1001001 is 73073073. The numeric string 73073073 appears at the 181,995,846th decimal digit of Pi. With 2 additional sets of the numbers 73. But what about the Vulcan salute? It separates the fingers of both hands asymmetrically, giving us 7 fingers plus 3 fingers, "7"+"3" == "73" Are Leonard Nimoy, Spock, Star Trek and Pi connected through the number 73? Perhaps Stephen William Hawking should have a look at this data; it could help him to find "The Theory of Everything". Unfortunately he died on Pi-day 2018. (3.14.2018) The letter Pi was first used by Leonhard Euler in 1737 in his "Variae observationes circa series infinitas". http: //www.73andpi.com
