### About the Number 25,000 (twenty-five thousand)

The DJIA topped 25,000 for the first time on 4 January 2018.

```MathBabbler Number Analyst (MBNA) output:
=========================================
25000 is natural, counting, whole, integer
25000 is even (not odd)
25000 proper divisors are: 1,2,4,5,8,10,20,25,40,50,100,125,200,
250,500,625,1000,1250,2500,3125,5000,
6250,12500,
25000 has 23 proper divisors
25000 is abundant (sum of divisors is 33590; ratio: 1.3436)
25000 is unhappy
25000 is not a Squarefree Number: 4,25,100,625,2500,
25000 is composite (not prime)
25000 has the prime factors: 2*2*2*5*5*5*5*5 (sum=31)
25000 is a hoax number
25000 is a 5-smooth number
25000 is *not* arithmetic (A003601)
25000 is powerful (5^2*10^3)
25000 in octal is 060650
25000 in binary is 110000110101000 (is evil)
25000 nearest square numbers: -36...281 (24964...25281 [159])
sqrt(25000) = 158.114
ln(25000) = 10.1266
log(25000) = 4.39794
25000 is an apocalyptic power (2^25000 contains 666)
25000! is inf
25000 is 7957.75 Pi years
25000 is 1250 scoreyears
25000 is 6251^2 - 6249^2 and 2 * (6251 + 6249)
25000 is a multiple of 2 & it contains a 2 (A121022)
25000 is a multiple of 5 & it contains a 5 (A121025)
25000 is a multiple of 25 & it contains a 25
25000 is a multiple of 50 & it contains a 50
25000 is a multiple of 250 & it contains a 250
25000 is a multiple of 500 & it contains a 500
25000 is a multiple of 2500 & it contains a 2500
25000 is a multiple of 5000 & it contains a 5000
25000 reciprocal is 0.00004
```

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 04 January 2018