About the Number 439 (four hundred thirty-nine)

439 was the smallest number without a nBAB on 8 May 2017.

MathBabbler Number Analyst (MBNA) output:
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439 is natural, counting, whole, integer
439 is odd (not even)
439 is not extremely odd
439 proper divisors are: 1,
439 has 1 proper divisors
439 is deficient (sum of divisors is 1; ratio: 0.0022779)
439 is unhappy
439 is a Squarefree Number
439 is prime (not composite)
...Cousin prime with 443
...Sexy prime with 433
...Truman Gerald (p-30) prime with 409
...OEIS:002145 (4n+3; n=109)
...Right-truncatable prime
...Strong prime
439 is the sum of 9 consecutive primes
439 = 31 + 37 + 41 + 43 + 47 + 53 + 59 + 61 + 67
439 in octal is 0667
439 in hexadecimal is 0x1b7
439 in binary is 110110111 (is odious)
439 nearest square numbers: -39...2 (400...441 [21])
sqrt(439) = 20.9523
ln(439) = 6.0845
log(439) = 2.64246
439! is 1.27953e+971
439 is 139.738 Pi years
439 is 21 score and 19 years
439 written as a Roman numeral is CDXXXIX
439 is 220^2 - 219^2 and 220 + 219 = 439
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439 reciprocal is 0.002277904328018223234624145785876993166287015945330296127562642369020501138952164009111617312072892938496583143507972665148063781321184510250569476082004555808656036446469248291571753986332574031890660592255125284738041
remainders: 
1,10,100,122,342,347,397,19,190,144,123,352,8,80,361,98,102,142,103,152,203,274,106,182,64,201,254,345,377,258,385,338,307,436,409,139,73,291,276,126,382,308,7,70,261,415,199,234,145,133,13,130,422,269,56,121,332,247,275,116,282,186,104,162,303,396,9,90,22,220,5,50,61,171,393,418,229,95,72,281,176,4,40,400,49,51,71,271,76,321,137,53,91,32,320,127,392,408,129,412,169,373,218,424,289,256,365,138,63,191,154,223,35,350,427,319,117,292,286,226,65,211,354,28,280,166,343,357,58,141,93,52,81,371,198,224,45,11,110,222,25,250,305,416,209,334,267,36,360,88,2,20,200,244,245,255,355,38,380,288,246,265,16,160,283,196,204,284,206,304,406,109,212,364,128,402,69,251,315,77,331,237,175,433,379,278,146,143,113,252,325,177,14,140,83,391,398,29,290,266,26,260,405,99,112,242,225,55,111,232,125,372,208,324,167,353,18,180,44,1

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 08 May 2017

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