### About the Number 411 (four hundred eleven)

411 was the smallest number that didn't have a nBAB on 19 April 2017.

```MathBabbler Number Analyst (MBNA) output:
=========================================
411 is natural, counting, whole, integer
411 is odd (not even)
411 is not extremely odd
411 proper divisors are: 1,3,137,
411 has 3 proper divisors
411 is deficient (sum of divisors is 141; ratio: 0.343066)
411 is unhappy
411 is a Squarefree Number
411 is composite (not prime)
411 has the prime factors: 3*137 (sum=140)
411 is semiprime (biprime or 2-almost prime)
411 is a 137-smooth number
411 in octal is 0633
411 in hexadecimal is 0x19b
411 in binary is 110011011 (is evil)
411 nearest square numbers: -11...30 (400...441 )
sqrt(411) = 20.2731
ln(411) = 6.01859
log(411) = 2.61384
411 is an apocalyptic power (2^411 contains 666)
411! is 3.16268e+897
411 is 130.825 Pi years
411 is 20 score and 11 years
411 written as a Roman numeral is CDXI
411 is 206^2 - 205^2 and 206 + 205 = 411
411 is a multiple of 1 & it contains a 1 (A011531)
________
411 reciprocal is 0.00243309
remainders:
1,10,100,178,136,127,37,370,1
```

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 19 April 2017 