### About the Number 259 (two hundred fifty-nine)

This nBAB about the number 259 was created after the 259th BAB was posted on 10 May 2015. 259 BABs broke the record for the most BABs posted during a BABbling session.

```MathBabbler Number Analyst (MBNA) output:
=========================================
259 is a natural, whole, integer
259 is odd
259 proper divisors are: 1,7,37,
259 has 3 proper divisors
259 is deficient (sum of divisors is 45; ratio: 0.173745)
259 is unhappy
259 is a Squarefree Number
259 is composite (not prime)
259 has the prime factors: 7*37 (sum=44)
259 is semiprime (biprime or 2-almost prime)
259 is a lucky number
259 is Arithmetic (A003601)
259 in octal is 0403
259 in binary is 100000011 (is odious)
259 nearest square numbers: -3...30 (256...289 [17])
sqrt(259) = 16.0935
ln(259) = 5.55683
log(259) = 2.4133
259 reciprocal is .00386100386100386100386100386100
259! is 1.47315e+514
259 is 82.4423 Pi years
259 is 12 score and 19 years
259 written as a Roman numeral is CCLIX
259 is 130^2 - 129^2 and 130 + 129 = 259
```

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 10 May 2015