### About the Number 271 (two hundred seventy-one)

271 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 271, 275 became the smallest number without a nBAB on 12 April 2016.

Note: 271 was also the smallest ThurmNumber that didn't have a nBAB on 12 April 2016. In addition, 271 is a sexy prime with 277 and a nBAB for 277 was going to be created after nBABs for 275 and 276.

```MathBabbler Number Analyst (MBNA) output:
=========================================
271 is a natural, whole, integer
271 is odd
271 proper divisors are: 1,
271 has 1 proper divisors
271 is deficient (sum of divisors is 1; ratio: 0.00369004)
271 is unhappy
271 is a Squarefree Number
271 is prime (not composite)
...Sexy prime with 277
...Sexy Triplet prime with 277, 283
...Twin prime with 269
...Truman Gerald prime with 241
...OEIS:002145 (4n+3; n=67)
...Left-truncatable
271 is Arithmetic (A003601)
271 is ThurmNumber
271 is the sum of 11 consecutive primes
271 = 7 + 11 + 13 + 17 + 19 + 23 + 29 + 31 + 37 + 41 + 43
271 in octal is 0417
271 in hexadecimal is 0x10f
271 in binary is 100001111 (is odious)
271 nearest square numbers: -15...18 (256...289 )
sqrt(271) = 16.4621
ln(271) = 5.60212
log(271) = 2.43297
271 reciprocal is .00369003690036900369003690036900
271! is 1.80543e+543
271 is 86.262 Pi years
271 is 13 score and 11 years
271 written as a Roman numeral is CCLXXI
271 is 136^2 - 135^2 and 136 + 135 = 271
271 is a multiple of 1 & it contains a 1 (A011531)
```

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