While posting a nBAB for the number 9999, MathBabbler noticed there wasn't a nBAB for the number

10,000.MathBabbler Number Analyst (MBNA) output: ========================================= 10000 is a natural, whole, integer 10000 is even 10000 proper divisors are: 1,2,4,5,8,10,16,20,25,40,50,80,100,125,200, 250,400,500,625,1000,1250,2000,2500,5000, 10000 is refactorable (evenly divisable by # of divisors) 10000 has 24 proper divisors 10000 is abundant (sum of divisors is 14211; ratio: 1.4211) 10000 is happy 10000 is not a Squarefree Number: 4,16,25,100,400,625,2500,10000, 10000 is Harshad (Niven) number 10000 is composite (not prime) 10000 has the prime factors: 2*2*2*2*5*5*5*5 (sum=28) 10000 is powerful (100^2*1^3) 10000 is not in A038853 10000 in octal is 023420 10000 in hexadecimal is 0x2710 10000 in binary is 10011100010000 (is odious) 10000 nearest square numbers: 10000 is square (not odd square/not centered octagonal sqrt(10000) = 100 ln(10000) = 9.21034 log(10000) = 4 10000 is 10^4 10000 is 100^2 10000 reciprocal is .00010000000000000000000000000000 10000 is an apocalyptic power 10000! is inf 10000 is 3183.1 Pi years 10000 is 500 scoreyears 10000 is 2501^2 - 2499^2 and 2 * (2501 + 2499) 10000 is a multiple of 1 & it contains a 1 (A011531) 10000 is a multiple of 10 & it contains a 10 (A121030) 10000 is a multiple of 100 & it contains a 100 10000 is a multiple of 1000 & it contains a 1000

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

**Created:** 08 May 2015

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