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 [12])
   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

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