About the Number 1879 (one thousand eight hundred seventy-nine)

The U.S. patent for the cash register was awarded on 4 November 1879.

   MathBabbler Number Analyst (MBNA) output:
   =========================================
   1879 is a natural, whole, integer
   1879 is odd
   1879 proper divisors are: 1,
   1879 is deficient (sum of divisors is 1)
   1879 is unhappy
   1879 is not a Harshad number
   1879 is prime
   ...Sexy prime with 1873
   ...Twin prime with 1877
   ...OEIS:002145 (4n+3; n=469)
   ...prime triplet {1873, 1877, 1879}
   ...prime quadruplet {1871, 1873, 1877, 1879}
   1879 is a lucky number
   1879 in octal is 03527
   1879 in hexadecimal is 0x757
   1879 in binary is 11101010111 (is evil)
   1879 nearest square numbers: -30...57 (1849...1936 [44])
   sqrt(1879) = 43.3474
   ln(1879) = 7.53849
   log(1879) = 3.27393
   1879 reciprocal is .00053219797764768493879723257051
   1879! is inf
   1879 is 598.104 Pi years
   1879 is 93 score and 19 years
   1879 written as a Roman numeral is MDCCCLXXIX

log11(1879) = 3.1438, which is Pi rounded to the nearest hundredth.

Albert Einstein was born on Pi Day of 1879, which was 12 days prior to when the Ritty's filed their patent.


Creator: Gerald Thurman [gthurman@gmail.com]
Created: 04 November 2009

Creative Commons License
This work is licensed under a Creative Commons Attribution 3.0 United States License.