About the Number 115 (one hundred fifteen)

Edna Parker died at the age of 115 on 26 November 2008. Edna was the world's oldest person. Edna became the world's oldest person 115 days after turning 114 years of age on 20 April 2008. MathBabbler created a BAB about Edna when she turned 115, but he did not create a nBAB for the number 115 at that time.

   MathBabbler Number Analyst (MBNA) output:
   =========================================
   115 is a natural, whole, integer
   115 is odd
   115 proper divisors are: 1,5,23,
   115 is deficient (sum of divisors is 29)
   115 is unhappy
   115 is not a Harshad number
   115 is not prime
   115 has the prime factors: 5*23
   115 in octal is 0163
   115 in hexadecimal is 0x73
   115 in binary is 1110011 (is odious)
   115 nearest square numbers: -15...6 (100 [10]...121 [11])
   sqrt(115) = 10.7238
   ln(115) = 4.74493
   log(115) = 2.0607
   115 reciprocal is .00869565217391304347826086956521
   115! is 2.92509e+188
   115 is 36.6056 Pi years
   115 is 5 score and 15 years

115 in Roman numeral is CXV.

Wikipedia tidbit... 115 is a Zuckerman number. A Zuckerman number is "an integer that is divisible by the product of its digits in a given number base."

   115 in base 10 has the digits 1, 1, 5
   the product of the digits is 1 * 1 * 5 = 5
   5 is a proper divisor (factor) of 115

Wikipedia tidbit... "The TV series 'The Wonder Years' ran on ABC from 1988 to 1993 for 115 episodes."

MathBabbler edited the Wikipedia entry for 115 (number) to document Edna Parker's death at the age of 115. [see the "In other fields" section]

Added "Bob Dylan's 115th Dream" song to Songs With Numbers In Their Titles.

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Update::2009.01.03

Maria de Jesus died on 2 January 2009 at the age of 115. Maria's death left Gertrude Baines, of L.A., the world's oldest person.

Update::2009.09.13

Gertrude Baines died on 11 September 2009 at the age of 115. Japan's Kama Chinen (female), 114, is now the world's oldest person.

115 in octal (base-8) is repdigit number 77 in base-10.


Creator: Gerald Thurman [gthurman@gmail.com]
Created: 28 November 2008 (nBAB #79)

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