MathBabbler started reading Atlas Shrugged during the 2008-09 Winter Break 2008, but as of the end of January 2009 he was only one-third of the way through the book. The following is from page 324 of

Atlas Shrugged, "Dagney drew a black line across Train Number`on the schedule, [...]." Later, at the end of the same paragraph, "Train Number`

93`was a freight that had earned its living by carrying supplies to Hammondsville, Colorado." [Note: Page 314 was blank. 314 divided-by 100 equals Pi rounded to the nearest hundredth.]`

93MathBabbler Number Analyst (MBNA) output: ========================================= 93 is a natural, whole, integer 93 is odd 93 proper divisors are: 1,3,31, 93 is deficient (sum of divisors is 35) 93 is unhappy 93 is not a Harshad number 93 is not prime 93 is undulating 93 has the prime factors: 3*31 93 is semiprime (biprime or 2-almost prime) 93 in octal is 0135 93 in hexadecimal is 0x5d 93 in binary is 1011101 (is odious) 93 nearest square numbers: -12...7 (81 [9]...100 [10]) sqrt(93) = 9.64365 ln(93) = 4.5326 log(93) = 1.96848 93 reciprocal is .01075268817204301075268817204301 93! is 1.15677e+144 93 is 29.6028 Pi years 93 is 4 score and 13 years 93 written as a Roman numeral is XCIIIThe 2009 Super Bowl was number XLIII (43). Replace the 'L' with a 'C' and we get Roman numeral

`.`

93

`[Wikipedia]`

`was the number of United Airlines Flight that crashed in Pennsylvania on September 11, 2001.`

93## From the Life is Strange Department

MathBabbler created this BAB on the morning of 27 January 2009. Later on that day, during his afternoon CSC100 class, he was helping students learn how to convert from binary to decimal. He arbitrarily wrote a sequence of binary digits (i.e. bits; zeros and ones) on the board and then he proceeded to convert the binary (base-2) number to decimal (base-10). His randonly written sequence of bits equalled

`.`

93Going from decimal-to-binary...

93 takeaway 1 unit of 64 leaves 29 29 takeaway 0 units of 32 leaves 29 29 takeaway 1 unit of 16 leaves 13 13 takeaway 1 unit of 8 leaves 5 5 takeaway 1 unit of 4 leaves 1 1 takeaway 0 units of 2 leaves 1 1 takeaway 1 unit of 1 leaves 0 93_{10}= 1011101_{2}## Update::2009.03.07

Molly Kool, North America's first female sea captain, died at the age of

`on 25 February 2009. Since this nBAB already existed, MathBabbler created a nBAB for`

93`+1.`

93

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

**Created:** 27 January 2009

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