About the Number 2001 (two thousand one)

This nBAB was the 100th nBAB and BAB #2001.

   MathBabbler Number Analyst (MBNA) output:
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   2001 is a natural, whole, integer
   2001 is odd
   2001 proper divisors are: 1,3,23,29,69,87,667,
   2001 is deficient (sum of divisors is 879)
   2001 is unhappy
   2001 is a Harshad number
   2001 is not prime
   2001 has the prime factors: 3*23*29
   2001 in octal is 03721
   2001 in hexadecimal is 0x7d1
   2001 in binary is 11111010001 (is odious)
   2001 nearest square numbers: -65...24 (1936...2025 [45])
   sqrt(2001) = 44.7325
   ln(2001) = 7.6014
   log(2001) = 3.30125
   2001 reciprocal is .00049975012493753123438280859570
   2001! is inf
   2001 is 636.938 Pi years
   2001 is 100 score and 1 year
   2001 written as a Roman numeral is MMI

2001 was the first year of the 21st century.

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 01 January 2009