nBAB number 399 was about the number 7810 and it was posted on 19 December 2010. This nBAB for the number 399 was the 400th nBAB.
MathBabbler Number Analyst (MBNA) output: ========================================= 399 is a natural, whole, integer 399 is odd 399 proper divisors are: 1,3,7,19,21,57,133, 399 is deficient (sum of divisors is 241) 399 is unhappy 399 is a Harshad number 399 is not prime 399 has the prime factors: 3*7*19 (sum=29) 399 is sphenic (had 3 unique prime factors) 399 sum of prime factors is: 29 399 is a lucky number 399 is ThurmNumber 399 is the sum of 11 consecutive primes 399 = 17 + 19 + 23 + 29 + 31 + 37 + 41 + 43 + 47 + 53 + 59 399 in octal is 0617 399 in hexadecimal is 0x18f 399 in binary is 110001111 (is evil) 399 nearest square numbers: -38...1 (361...400 [20]) sqrt(399) = 19.975 ln(399) = 5.98896 log(399) = 2.60097 399 reciprocal is .00250626566416040100250626566416 399! is 1.60086e+866 399 is 127.006 Pi years 399 is 19 score and 19 years 399 written as a Roman numeral is CCCXCIX 399 = 200^2 - 199^2 and 200 + 199 = 399
log9(399) = 2.72569, which when rounded down to the nearest hundredth equals e (2.7182818284590) rounded up to the nearest hundredth.
Creator: Gerald Thurman
[gthurman@gmail.com]
Created: 19 December 2010