About the Number 447 (four hundred forty-seven)

447 was the smallest number without a nBAB on 31 December 2017.

MathBabbler Number Analyst (MBNA) output:
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447 is natural, counting, whole, integer
447 is odd (not even)
447 is not extremely odd
447 proper divisors are: 1,3,149,
447 has 3 proper divisors
447 is deficient (sum of divisors is 153; ratio: 0.342282)
447 is unhappy
447 is a Squarefree Number
447 is composite (not prime)
447 has the prime factors: 3*149 (sum=152)
447 is semiprime (biprime or 2-almost prime)
447 is a 149-smooth number
447 in octal is 0677
447 in hexadecimal is 0x1bf
447 in binary is 110111111 (is evil)
447 nearest square numbers: -6...37 (441...484 [22])
sqrt(447) = 21.1424
ln(447) = 6.10256
log(447) = 2.65031
447! is 1.91494e+992
447 is 142.285 Pi years
447 is 22 score and 7 years
447 written as a Roman numeral is CDXLVII
447 is 224^2 - 223^2 and 224 + 223 = 447
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447 reciprocal is 0.0022371364653243847874720357941834451901565995525727069351230425055928411633109619686800894854586129753914988814317673378076062639821029082774049217
remainders: 
1,10,100,106,166,319,61,163,289,208,292,238,145,109,196,172,379,214,352,391,334,211,322,91,16,160,259,355,421,187,82,373,154,199,202,232,85,403,7,70,253,295,268,445,427,247,235,115,256,325,121,316,31,310,418,157,229,55,103,136,19,190,112,226,25,250,265,415,127,376,184,52,73,283,148,139,49,43,430,277,88,433,307,388,304,358,4,40,400,424,217,382,244,205,262,385,274,58,133,436,337,241,175,409,67,223,442,397,394,364,64,193,142,79,343,301,328,151,169,349,361,34,340,271,28,280,118,286,178,439,367,94,46,13,130,406,37,370,124,346,331,181,22,220,412,97,76,313,1

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 31 December 2017

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