The DJIA closed at 19,191.93 on 1 December 2016. 19,191.93 rounded down to the nearest whole number is

19,191.MathBabbler Number Analyst (MBNA) output: ========================================= 19191 is natural, counting, whole, integer 19191 is odd (not even) 19191 is extremely odd 19191 proper divisors are: 1,3,6397, 19191 has 3 proper divisors 19191 is deficient (sum of divisors is 6401; ratio: 0.333542) 19191 is unhappy 19191 is a Squarefree Number 19191 is composite (not prime) 19191 has the prime factors: 3*6397 (sum=6400) 19191 is semiprime (biprime or 2-almost prime) 19191 is a 6397-smooth number 19191 is undulating 19191 is palindromic 19191 is Arithmetic (A003601) 19191 in octal is 045367 19191 in hexadecimal is 0x4af7 19191 in binary is 100101011110111 (is evil) 19191 nearest square numbers: -147...130 (19044...19321 [139]) sqrt(19191) = 138.532 ln(19191) = 9.8622 log(19191) = 4.2831 19191 is an apocalyptic power (2^19191 contains 666) 19191! is inf 19191 is 6108.69 Pi years 19191 is 959 score and 11 years 19191 is 9596^2 - 9595^2 and 9596 + 9595 = 19191 19191 is a multiple of 1 & it contains a 1 (A011531) ______________________________________________________________________________ 19191 reciprocal is 0.000052107758845292063988327862018654577666614558907821374602678338804648012089

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

**Created:** 02 December 2016

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