### About the Number 130 (one hundred thirty)

This nBAB about the number `130` was created when `130` was the smallet number without a nBAB. In addition, `130` was the smallest multiple-of-10 number that didn't have a nBAB.

```   MathBabbler Number Analyst (MBNA) output:
=========================================
130 is a natural, whole, integer
130 is even
130 proper divisors are: 1,2,5,10,13,26,65,
130 is deficient (sum of divisors is 122)
130 is happy
130 is not a Harshad number
130 is not prime
130 has the prime factors: 2*5*13 (sum=20)
130 is sphenic (had 3 unique prime factors)
130 sum of prime factors is: 20
130 in octal is 0202
130 in hexadecimal is 0x82
130 in binary is 10000010 (is evil)
130 nearest square numbers: -9...14 (121...144 )
sqrt(130) = 11.4018
ln(130) = 4.86753
log(130) = 2.11394
130 reciprocal is .00769230769230769230769230769230
130! is 6.46686e+219
130 is 41.3803 Pi years
130 is 6 score and 10 years
130 written as a Roman numeral is CXXX
```

`130` is a triple-X Roman numeral.

`1308` is repdigit number 88.

`log6(130)` (2.71662) rounded to the nearest hundredth equals e (2.7182818284590) rounded to the nearest hundredth (i.e. 2.72).

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