390was the smallest number that didn't have a nBAB on 8 January 2017. The next smallest number without a nBAB is 391. Note: 391 to 398, inclusive, did not have nBABs when this nBAB was created.MathBabbler Number Analyst (MBNA) output: ========================================= 390 is natural, counting, whole, integer 390 is even (not odd) 390 proper divisors are: 1,2,3,5,6,10,13,15,26,30,39,65,78,130,195, 390 has 15 proper divisors 390 is abundant (sum of divisors is 618; ratio: 1.58462) 390 is unhappy 390 is a Squarefree Number 390 is composite (not prime) 390 has the prime factors: 2*3*5*13 (sum=23) 390 is a 13-smooth number 390 is Arithmetic (A003601) 390 is the sum of 4 consecutive primes 390 = 89 + 97 + 101 + 103 390 in octal is 0606 390 in hexadecimal is 0x186 390 in binary is 110000110 (is evil) 390 nearest square numbers: -29...10 (361...400 [20]) sqrt(390) = 19.7484 ln(390) = 5.96615 log(390) = 2.59106 390 is an apocalyptic power (2^390 contains 666) 390! is 6.84012e+842 390 is 124.141 Pi years 390 is 19 score and 10 years 390 written as a Roman numeral is CCCXC 390 is a multiple of 3 & it contains a 3 (A121023) 390 is a multiple of 39 & it contains a 39 ______ 390 reciprocal is 0.0025641 remainders: 1,10,100,220,250,160,40,10

**Creator:** Gerald Thurman
[gthurman@gmail.com]

**Created:** 08 January 2017

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