The

transistorwas demonstrated to Bell Lab officials on 23 December`.`

1947MathBabbler Number Analyst (MBNA) output: ========================================= 1947 is a natural, whole, integer 1947 is odd 1947 proper divisors are: 1,3,11,33,59,177,649, 1947 is deficient (sum of divisors is 933) 1947 is unhappy 1947 is not a Harshad number 1947 is not prime 1947 has the prime factors: 3*11*59 (sum=73) 1947 is sphenic (had 3 unique prime factors) 1947 sum of prime factors is: 73 1947 is ThurmNumber 1947 is the sum of 27 consecutive primes 17 + 19 + 23 + 29 + 31 + 37 + 41 + 43 + 47 + 53 + 59 + 61 + 67 + 71 + 73 + 79 + 83 + 89 + 97 + 101 + 103 + 107 + 109 + 113 + 127 + 131 + 137 1947 in octal is 03633 1947 in hexadecimal is 0x79b 1947 in binary is 11110011011 (is evil) 1947 nearest square numbers: -11...78 (1936...2025 [45]) sqrt(1947) = 44.1248 ln(1947) = 7.57405 log(1947) = 3.28937 1947 reciprocal is .00051361068310220852593733949666 1947 is an apocalyptic power 1947! is inf 1947 is 619.749 Pi years 1947 is 97 score and 7 years 1947 written as a Roman numeral is MCMXLVII

`= 974^2 - 973^3 and 974 + 973 =`

1947

1947

**Creator:** Gerald Thurman
[gthurman@gmail.com]

**Created:** 23 December 2009

This work is licensed under a Creative Commons Attribution 3.0 United States License.