About the Number 1549 (one thousand five hundred forty-nine)

US Airways flight #1549 crashed into the Hudson River on 15 January 2009.

   MathBabbler Number Analyst (MBNA) output:
   =========================================
   1549 is a natural, whole, integer
   1549 is odd
   1549 proper divisors are: 1,
   1549 is deficient (sum of divisors is 1)
   1549 is unhappy
   1549 is not a Harshad number
   1549 is prime
   ...Cousin prime with 1553
   ...Sexy prime with 1543
   ...Pythagorean
   1549 in octal is 03015
   1549 in hexadecimal is 0x60d
   1549 in binary is 11000001101 (is odious)
   1549 nearest square numbers: -28...51 (1521 [39]...1600 [40])
   sqrt(1549) = 39.3573
   ln(1549) = 7.34536
   log(1549) = 3.19005
   1549 reciprocal is .00064557779212395093608779857972
   1549 is an apocalyptic power
   1549! is 4.5881e+4270
   1549 is 493.062 Pi years
   1549 is 77 score and 9 years
   1549 written as a Roman numeral is MDXLIX

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 16 January 2009