### About the Number 555 (five hundred fifty-five)

While posting a nBAB for the 5555, MathBabbler noticed that there wasn't a nBAB for the number 555.

```MathBabbler Number Analyst (MBNA) output:
=========================================
555 is a natural, whole, integer
555 is odd
555 proper divisors are: 1,3,5,15,37,111,185,
555 has 7 proper divisors
555 is deficient (sum of divisors is 357; ratio: 0.643243)
555 is unhappy
555 is a Squarefree Number
555 is Harshad (Niven) number
555 is composite (not prime)
555 has the prime factors: 3*5*37 (sum=45)
555 is sphenic (had 3 unique prime factors)
555 is undulating
555 is palindromic
555 is repdigit in base-10
555 in octal is 01053
555 in hexadecimal is 0x22b
555 in binary is 1000101011 (is odious)
555 nearest square numbers: -26...21 (529...576 )
sqrt(555) = 23.5584
ln(555) = 6.31897
log(555) = 2.74429
555 reciprocal is .00180180180180180180180180180180
555 is 176.662 Pi years
555 is 27 score and 15 years
555 written as a Roman numeral is DLV
555 is 278^2 - 277^2 and 278 + 277 = 555
```

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 18 January 2014 