### About the Number 224 (two hundred twenty-four)

The U.S. Constitution was signed on 17 September 1787 and this nBAB was created 224 years later on Constitution Day 2011.

```   MathBabbler Number Analyst (MBNA) output:
=========================================
224 is a natural, whole, integer
224 is even
224 proper divisors are: 1,2,4,7,8,14,16,28,32,56,112,
224 is abundant (sum of divisors is 280)
224 is unhappy
224 is a Harshad number
224 is not prime
224 has the prime factors: 2*2*2*2*2*7 (sum=17)
224 sum of prime factors is: 17
224 is a Zuckerman number
224 in octal is 0340
224 in hexadecimal is 0xe0
224 in binary is 11100000 (is odious)
224 nearest square numbers: -28...1 (196...225 )
sqrt(224) = 14.9666
ln(224) = 5.41165
log(224) = 2.35025
224 reciprocal is .00446428571428571428571428571428
224 is an apocalyptic power
224! is 5.59716e+430
224 is 71.3014 Pi years
224 is 11 score and 4 years
224 written as a Roman numeral is CCXXIV
224 = 57^2 - 55^2 and 2 * (57 + 55) = 224
```
##### Update::2014.03.09

9 March 2009: H.RES.224 -- Whereas the Greek letter (Pi) is the symbol for the ratio of the circumference of a circle to its diameter;...

Thomas.LOC.gov::H.RES.224

Note: This nBAB was updated five days away from Pi Day 2014.

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 17 September 2011 