About the Number 1499 (one thousand four hundred ninety-nine)

@mathbabbler tweeted his 1499th tweet on 15 May 2011 (his 706th day of tweeting).

   MathBabbler Number Analyst (MBNA) output:
   =========================================
   1499 is a natural, whole, integer
   1499 is odd
   1499 proper divisors are: 1,
   1499 is deficient (sum of divisors is 1)
   1499 is unhappy
   1499 is not a Harshad number
   1499 is prime
   ...Sexy prime with 1493
   ...Sophie Germain prime with 2999
   ...OEIS:002145 (4n+3; n=374)
   ...Super
   ...Left-truncatable
   ...Right-truncatable
   ...Eisenstein
   1499 in octal is 02733
   1499 in hexadecimal is 0x5db
   1499 in binary is 10111011011 (is evil)
   1499 nearest square numbers: -55...22 (1444...1521 [39])
   sqrt(1499) = 38.7169
   ln(1499) = 7.31255
   log(1499) = 3.1758
   1499 reciprocal is .00066711140760507004669779853235
   1499 is an apocalyptic power
   1499! is 3.208e+4111
   1499 is 477.147 Pi years
   1499 is 74 score and 19 years
   1499 written as a Roman numeral is MCDXCIX
   1499 = 750^2 - 749^2 and 750 + 749 = 1499

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 15 May 2011