About the Number 100 (one hundred)

This nBAB was created after MathBabbler did a BARS that included an IL Hwy-100 highway sign.

   MathBabbler Number Analyst (MBNA) output:
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   100 is a natural, whole, integer
   100 is even
   100 proper divisors are: 1,2,4,5,10,20,25,50,
   100 is abundant (sum of divisors is 117)
   100 is happy
   100 is a Harshad number
   100 is not prime
   100 has the prime factors: 2*2*5*5
   100 in octal is 0144
   100 in hexadecimal is 0x64
   100 in binary is 1100100 (is odious)
   100 nearest square numbers: 100 is square (100 is square)
   sqrt(100) = 10
   ln(100) = 4.60517
   log(100) = 2
   100 is 10^2
   100 reciprocal is .01000000000000000000000000000000
   100! is 9.33262e+157
   100 is 31.831 Pi years
   100 is 5 scoreyears

100 written as a Roman numeral is C.

[Wikipedia] 100 is the sum of the first nine prime numbers, as well as the sum of two prime numbers (47 + 53, 17 +83, 3 + 97, 41 + 59), and the sum of the cubes of the first four integers (1^3 + 2^3 + 3^3 + 4^3). Also, 2^6 + 6^2 = 100, thus it is a Leyland number. [A Leyland number is a number of the form x^y + y^x, where x and y are integers greater than 1. This is the first time MathBabbler documented a Leyland number.]

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 07 December 2008