### About the Number 223 (two hundred twenty-three)

17 April 2013 was the 223rd anniversary of the death of Benjamin Franklin.

```MathBabbler Number Analyst (MBNA) output:
=========================================
223 is a natural, whole, integer
223 is odd
223 proper divisors are: 1,
223 is deficient (sum of divisors is 1)
223 is unhappy
223 is a Squarefree Number
223 is not a Harshad number
223 is prime
...Cousin prime with 227
...Sexy prime with 229
...Truman Gerald prime with 193
...OEIS:002145 (4n+3; n=55)
...Left-truncatable
...prime triplet {223, 227, 229}
223 is a lucky number
223 is ThurmNumber
223 is the sum of 7 consecutive primes
223 = 19 + 23 + 29 + 31 + 37 + 41 + 43
223 in octal is 0337
223 in hexadecimal is 0xdf
223 in binary is 11011111 (is odious)
223 nearest square numbers: -27...2 (196...225 )
sqrt(223) = 14.9332
ln(223) = 5.40717
log(223) = 2.3483
223 reciprocal is .00448430493273542600896860986547
223! is 2.49873e+428
223 is 70.9831 Pi years
223 is 11 score and 3 years
223 written as a Roman numeral is CCXXIII
223 = 112^2 - 111^2 and 112 + 111 = 223
```

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 17 April 2013 