MathBabbler posted BARS #500 on 11 October 2008 and that event prompted him to create this BAB about the number 500.

MathBabbler Number Analyst (MBNA) output: ========================================= 500 is a natural, whole, integer 500 is even 500 proper divisors are: 1,2,4,5,10,20,25,50,100,125,250 500 is abundant (sum of divisors is 592) 500 is unhappy 500 is a Harshad number 500 is not prime 500 has the prime factors: 2*2*5*5*5 500 in octal is 0764 500 in hexadecimal is 0x1f4 500 in binary is 111110100 (is evil) 500 nearest square numbers: -16...29 (484 [22]...529 [23]) sqrt(500) = 22.3607 ln(500) = 6.21461 log(500) = 2.69897 500 reciprocal is .002 500! is 1.22014e+1134 500 years is 159.155 Pi years 500 years is 25 scoreyears

`written as Roman numeral is`

500`.`

D

`is`

500 years`or`

5 centuries`.`

50 decades

**Creator:** Gerald Thurman
[gthurman@gmail.com]

**Created:** 11 October 2008

This work is licensed under a Creative Commons Attribution 3.0 United States License.