### About the Number 163 (one hundred sixty-three)

MathBabbler was playing with a three-numbered road sign that contained the number `163` (the other two numbers were 19 and 57).

```   MathBabbler Number Analyst (MBNA) output:
=========================================
163 is a natural, whole, integer
163 is odd
163 proper divisors are: 1,
163 is deficient (sum of divisors is 1)
163 is unhappy
163 is not a Harshad number
163 is prime
...Cousin prime with 167
...Sexy prime with 157
...OEIS:002145 (4n+3; n=40)
163 is a lucky number
163 in octal is 0243
163 in hexadecimal is 0xa3
163 in binary is 10100011 (is evil)
163 nearest square numbers: -19...6 (144...169 )
sqrt(163) = 12.7671
ln(163) = 5.09375
log(163) = 2.21219
163 reciprocal is .00613496932515337423312883435582
163! is 2.0044e+291
163 is 51.8845 Pi years
163 is 8 score and 3 years
163 written as a Roman numeral is CLXIII
```

The digits of `163` reversed is 361 and 361 is 19-squared.

`163` in Pi years (51.8845) rounded to the nearest integer is 52, which was MathBabbler's age when he created this nBAB.

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 29 August 2009 