About the Number 389 (three hundred eighty-nine)

389 was the smallest number that didn't have a nBAB on 3 January 2017. The next smallest number without a nBAB is 390. Note: 390 to 398, inclusive, did not have nBABs when this nBAB was created.

MathBabbler Number Analyst (MBNA) output:
=========================================
389 is natural, counting, whole, integer
389 is odd (not even)
389 is not extremely odd
389 proper divisors are: 1,
389 has 1 proper divisors
389 is deficient (sum of divisors is 1; ratio: 0.00257069)
389 is unhappy
389 is a Squarefree Number
389 is prime (not composite)
...Sexy prime with 383
...Truman Gerald (p+30) prime with 419
...Truman Gerald (p-30) prime with 359
...Pythagorean prime
...reversible prime prime with 983
...Left-truncatable prime
...Eisenstein (3n-1; n=130)
389 is Arithmetic (A003601)
389 in octal is 0605
389 in hexadecimal is 0x185
389 in binary is 110000101 (is evil)
389 nearest square numbers: -28...11 (361...400 [20])
sqrt(389) = 19.7231
ln(389) = 5.96358
log(389) = 2.58995
389! is 1.75388e+840
389 is 123.823 Pi years
389 is 19 score and 9 years
389 written as a Roman numeral is CCCLXXXIX
389 is 195^2 - 194^2 and 195 + 194 = 389
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389 reciprocal is 0.0025706940874035989717223650385604113110539845758354755784061696658097686375321336760925449871465295629820051413881748071979434447300771208226221079691516709511568123393316195372750642673521850899742930591259640102827763496143958868894601542416452442159383033419023136246786632390745501285347043701799485861182519280205655526992287917737789203084832904884318766066838046272493573264781491
remainders: 
1,10,100,222,275,27,270,366,159,34,340,288,157,14,140,233,385,349,378,279,67,281,87,92,142,253,196,15,150,333,218,235,16,160,44,51,121,43,41,21,210,155,383,329,178,224,295,227,325,138,213,185,294,217,225,305,327,158,24,240,66,271,376,259,256,226,315,38,380,299,267,336,248,146,293,207,125,83,52,131,143,263,296,237,36,360,99,212,175,194,384,339,278,57,181,254,206,115,372,219,245,116,382,319,78,2,20,200,55,161,54,151,343,318,68,291,187,314,28,280,77,381,309,367,169,134,173,174,184,284,117,3,30,300,277,47,81,32,320,88,102,242,86,82,42,31,310,377,269,356,59,201,65,261,276,37,370,199,45,61,221,265,316,48,91,132,153,363,129,123,63,241,76,371,209,145,283,107,292,197,25,250,166,104,262,286,137,203,85,72,331,198,35,350,388,379,289,167,114,362,119,23,230,355,49,101,232,375,249,156,4,40,11,110,322,108,302,297,247,136,193,374,239,56,171,154,373,229,345,338,268,346,348,368,179,234,6,60,211,165,94,162,64,251,176,204,95,172,164,84,62,231,365,149,323,118,13,130,133,163,74,351,9,90,122,53,141,243,96,182,264,306,337,258,246,126,93,152,353,29,290,177,214,195,5,50,111,332,208,135,183,274,17,170,144,273,7,70,311,387,369,189,334,228,335,238,46,71,321,98,202,75,361,109,312,8,80,22,220,255,216,215,205,105,272,386,359,89,112,342,308,357,69,301,287,147,303,307,347,358,79,12,120,33,330,188,324,128,113,352,19,190,344,328,168,124,73,341,298,257,236,26,260,266,326,148,313,18,180,244,106,282,97,192,364,139,223,285,127,103,252,186,304,317,58,191,354,39,1

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 03 January 2017

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