About the Number 380 (three hundred eighty)

380 was the smallest number that didn't have a nBAB on 2 January 2017. The next smallest number without a nBAB is 381. Note: 381 to 398, inclusive, did not have nBABs when this nBAB was created.

MathBabbler Number Analyst (MBNA) output:
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380 is natural, counting, whole, integer
380 is even (not odd)
380 proper divisors are: 1,2,4,5,10,19,20,38,76,95,190,
380 has 11 proper divisors
380 is abundant (sum of divisors is 460; ratio: 1.21053)
380 is unhappy
380 is not a Squarefree Number: 4,
380 is composite (not prime)
380 has the prime factors: 2*2*5*19 (sum=28)
380 is a 19-smooth number
380 is pronic (oblong) (19*20)
380 is Arithmetic (A003601)
380 in octal is 0574
380 in hexadecimal is 0x17c
380 in binary is 101111100 (is evil)
380 nearest square numbers: -19...20 (361...400 [20])
sqrt(380) = 19.4936
ln(380) = 5.94017
log(380) = 2.57978
380! is 9.43932e+816
380 is 120.958 Pi years
380 is 19 scoreyears
380 written as a Roman numeral is CCCLXXX
380 is 96^2 - 94^2 and 2 * (96 + 94)
380 is a multiple of 38 & it contains a 38
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380 reciprocal is 0.00263157894736842105
remainders: 
1,10,100,240,120,60,220,300,340,360,180,280,140,260,320,160,80,40,20,200,100

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 02 January 2017

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