450was the smallest number without a nBAB on 31 December 2017.MathBabbler Number Analyst (MBNA) output: ========================================= 450 is natural, counting, whole, integer 450 is even (not odd) 450 proper divisors are: 1,2,3,5,6,9,10,15,18,25,30,45, 50,75,90,150,225, 450 is refactorable (evenly divisable by # of divisors) 450 has 17 proper divisors 450 is abundant (sum of divisors is 759; ratio: 1.68667) 450 is unhappy 450 is not a Squarefree Number: 9,25,225, 450 is Harshad (Niven) number 450 is composite (not prime) 450 has the prime factors: 2*3*3*5*5 (sum=18) 450 is a 5-smooth number 450 is *not* arithmetic (A003601) 450 is the sum of 2 consecutive primes 450 = 223 + 227 450 in octal is 0702 450 in hexadecimal is 0x1c2 450 in binary is 111000010 (is evil) 450 nearest square numbers: -9...34 (441...484 [22]) sqrt(450) = 21.2132 ln(450) = 6.10925 log(450) = 2.65321 450! is 1.73337e+1000 450 is 143.239 Pi years 450 is 22 score and 10 years 450 written as a Roman numeral is CDL 450 is a multiple of 5 & it contains a 5 (A121025) 450 is a multiple of 45 & it contains a 45 450 is a multiple of 50 & it contains a 50 _ 450 reciprocal is 0.002 remainders: 1,10,100,100

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

**Created:** 31 December 2017

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