About the Number 395 (three hundred ninety-five)

395 was the smallest number without a nBAB on 26 January 2017.

MathBabbler Number Analyst (MBNA) output:
=========================================
395 is natural, counting, whole, integer
395 is odd (not even)
395 is extremely odd
395 is super extremely odd
395 proper divisors are: 1,5,79,
395 has 3 proper divisors
395 is deficient (sum of divisors is 85; ratio: 0.21519)
395 is unhappy
395 is a Squarefree Number
395 is composite (not prime)
395 has the prime factors: 5*79 (sum=84)
395 is semiprime (biprime or 2-almost prime)
395 is a 79-smooth number
395 is the sum of 5 consecutive primes
395 = 71 + 73 + 79 + 83 + 89
395 in octal is 0613
395 in hexadecimal is 0x18b
395 in binary is 110001011 (is odious)
395 nearest square numbers: -34...5 (361...400 [20])
sqrt(395) = 19.8746
ln(395) = 5.97889
log(395) = 2.5966
395! is 6.41228e+855
395 is 125.732 Pi years
395 is 19 score and 15 years
395 written as a Roman numeral is CCCXCV
395 is 198^2 - 197^2 and 198 + 197 = 395
395 is a multiple of 5 & it contains a 5 (A121025)
                     _____________
395 reciprocal is 0.00253164556962
remainders: 
1,10,100,210,125,65,255,180,220,225,275,380,245,80,10

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 26 January 2017

Creative Commons License
This work is licensed under a Creative Commons Attribution 3.0 United States License.