About the Number 1000 (one thousand)

MathBabbler created two collections (multiples of 10 and powers of 10) and he noticed that 1000 was missing from both of these collections.

   MathBabbler Number Analyst (MBNA) output:
   =========================================
   1000 is a natural, whole, integer
   1000 is even
   1000 proper divisors are: 1,2,4,5,8,10,20,25,40,50,100,125,200,250,500,
   1000 is abundant (sum of divisors is 1340)
   1000 is happy
   1000 is a Harshad number
   1000 is not prime
   1000 has the prime factors: 2*2*2*5*5*5 (sum=21)
   1000 sum of prime factors is: 21
   1000 in octal is 01750
   1000 in hexadecimal is 0x3e8
   1000 in binary is 1111101000 (is evil)
   1000 nearest square numbers: -39...24 (961...1024 [32])
   sqrt(1000) = 31.6228
   ln(1000) = 6.90776
   log(1000) = 3
   1000 is 10^3
   1000 reciprocal is .00100000000000000000000000000000
   1000! is 4.02387e+2567
   1000 is 318.31 Pi years
   1000 is 50 scoreyears
   1000 written as a Roman numeral is M

log9(1000) is 3.14385, which is Pi rounded to the nearest hundredth.

Kilo is the SI prefix for 1000.

Milli is the SI prefix for the reciprocal of 1000.

[Wolfram.com] 1000 is the sum of 10^2 + 30^2 and 18^2 + 26^2.

1000 years equals one millennnium.


Creator: Gerald Thurman [gthurman@gmail.com]
Created: 12 June 2009

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