About the Number 284 (two hundred eighty-four)

While creating a nBAB for the 220, MathBabbler learned that 220 was an amicable number with 284. In other words, the sum of the proper divisors of 220 equals the sum of the proper divisors of 284.

   MathBabbler Number Analyst (MBNA) output:
   =========================================
   284 is a natural, whole, integer
   284 is even
   284 proper divisors are: 1,2,4,71,142,
   284 is deficient (sum of divisors is 220)
   284 is unhappy
   284 is not a Harshad number
   284 is not prime
   284 has the prime factors: 2*2*71 (sum=75)
   284 sum of prime factors is: 75
   284 in octal is 0434
   284 in hexadecimal is 0x11c
   284 in binary is 100011100 (is evil)
   284 nearest square numbers: -28...5 (256...289 [17])
   sqrt(284) = 16.8523
   ln(284) = 5.64897
   log(284) = 2.45332
   284 reciprocal is .00352112676056338028169014084507
   284! is 1.0682e+575
   284 is 90.4 Pi years
   284 is 14 score and 4 years
   284 written as a Roman numeral is CCLXXXIV

284 and 220 are the smallest amicable pair.


Creator: Gerald Thurman [gthurman@gmail.com]
Created: 20 April 2009

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