### About the Number 275 (two hundred seventy-five)

275 was the smallest number that didn't have a nBAB on 12 April 2016. MathBabbler is trying to ensure that the numbers 0-300 have nBABs by the end of the Spring 2016 Semester. With the posting of this nBAB for 275, 276 became the smallest number without a nBAB on 12 April 2016.

```MathBabbler Number Analyst (MBNA) output:
=========================================
275 is a natural, whole, integer
275 is odd
275 proper divisors are: 1,5,11,25,55,
275 has 5 proper divisors
275 is deficient (sum of divisors is 97; ratio: 0.352727)
275 is unhappy
275 is not a Squarefree Number: 25,
275 is composite (not prime)
275 has the prime factors: 5*5*11 (sum=21)
275 is a 11-smooth number
275 is Arithmetic (A003601)
275 in octal is 0423
275 in binary is 100010011 (is evil)
275 nearest square numbers: -19...14 (256...289 [17])
sqrt(275) = 16.5831
ln(275) = 5.61677
log(275) = 2.43933
275 reciprocal is .00363636363636363636363636363636
275! is 1.01017e+553
275 is 87.5352 Pi years
275 is 13 score and 15 years
275 written as a Roman numeral is CCLXXV
275 is 138^2 - 137^2 and 138 + 137 = 275
275 is a multiple of 5 & it contains a 5 (A121025)
```

log6(`276`) = 3.13681, which when rounded to the nearest hundredth (3.14) equals Pi (3.141592...) rounded to the nearest hundredth (3.14).

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 12 April 2016