### About the Number 200 (two hundred)

Abraham Lincoln (the 16th President of the United States) and Charles Darwin (British naturalist) were both born on 12 February 1809. Lincoln and Darwin would have been `200` years of age if they had been alive on 12 February 2009.

```   MathBabbler Number Analyst (MBNA) output:
=========================================
200 is a natural, whole, integer
200 is even
200 proper divisors are: 1,2,4,5,8,10,20,25,40,50,100,
200 is abundant (sum of divisors is 265)
200 is unhappy
200 is not prime
200 has the prime factors: 2*2*2*5*5
200 in octal is 0310
200 in binary is 11001000 (is odious)
200 nearest square numbers: -4...25 (196 [14]...225 [15])
sqrt(200) = 14.1421
ln(200) = 5.29832
log(200) = 2.30103
200 reciprocal is .005
200! is 7.88658e+374
200 is 63.662 Pi years
200 is 10 scoreyears
200 written as a Roman numeral is CC
```

`[Wikipedia]` `200` is the "smallest base 10 unprimeable number - it can not be turned into a prime number by changing just one of its digits to any other digit."

`[Computing]` `200` is the HTTP status code for "OK". [404 is "Not Found"]

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 11 February 2009