### About the Number 243 (two hundred forty-three)

This nBAB for 243 was the first nBAB created using a version of the MBNA that checked for powerful numbers. 243 was picked because if the the smallest powerful number that didn't have a nBAB on 30 November 2013.

```MathBabbler Number Analyst (MBNA) output:
=========================================
243 is a natural, whole, integer
243 is odd
243 proper divisors are: 1,3,9,27,81,
243 has 5 proper divisors
243 is deficient (sum of divisors is 121; ratio: 0.497942)
243 is unhappy
243 is not a Squarefree Number: 9,81,
243 is not prime
243 has the prime factors: 3*3*3*3*3 (sum=15)
243 is powerful
243 is the sum of 5 consecutive primes
243 = 41 + 43 + 47 + 53 + 59
243 in octal is 0363
243 in binary is 11110011 (is evil)
243 nearest square numbers: -18...13 (225...256 [16])
sqrt(243) = 15.5885
ln(243) = 5.49306
log(243) = 2.38561
243 is 3^5
243 reciprocal is .00411522633744855967078189300411
243 is an apocalyptic power
243! is 5.76511e+475
243 is 77.3493 Pi years
243 is 12 score and 3 years
243 written as a Roman numeral is CCXLIII
243 = 122^2 - 121^2 and 122 + 121 = 243
```

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 30 November 2013