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 [13])
   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

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