About the Number 51 (Fifty-One)

MathBabbler turned 51 years young on 28 May 2008. If somebody is 51 years in age, then they can say the following when asked their age.

   I'm 3 times 17...
   I'm 17 times 3...
   I'm 50.1 decades...
   And my favorite:  I'm 10-squared minus 7-squared...

The following was obtained from the MBNA (MathBabbler's Number Analyst).

   51 is an odd, whole, natural, integer number
   51 proper divisors are: 1,3,17,
   51 is deficient (sum of divisors is 21)
   51 is unhappy
   51 is not a Harshad number
   51 is undulating
   51 is not prime
   51 has the prime factors: 3*17
   51 in octal is 063
   51 in hexadecimal is 0x33
   51 in binary is 110011 (is evil)
   51 nearest square numbers: -2...13 (49 [7]...64 [8])
   sqrt(51) = 7.14143
   ln(51) = 3.93183
   log(51) = 1.70757
   --- end MBNA output ---
   518 = 41
   5116 = 81
   51 as a Roman numeral is LI

RoadHacker visited the area near Area 51 during May of 2002. {road to Area 51}

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 28 May 2008