About the Number 2420 (two thousand four hundred twenty)

MathBabbler accidently purchased some stock on 19 December 2003 and it took 2420 days for the stock to double in value.

   MathBabbler Number Analyst (MBNA) output:
   =========================================
   2420 is a natural, whole, integer
   2420 is even
   2420 proper divisors are: 1,2,4,5,10,11,20,22,44,55,110,
                             121,220,242,484,605,1210,
   2420 is abundant (sum of divisors is 3166)
   2420 is unhappy
   2420 is not a Harshad number
   2420 is not prime
   2420 has the prime factors: 2*2*5*11*11 (sum=31)
   2420 sum of prime factors is: 31
   2420 is the sum of 4 consecutive primes
   2420 = 599 + 601 + 607 + 613
   2420 in octal is 04564
   2420 in hexadecimal is 0x974
   2420 in binary is 100101110100 (is evil)
   2420 nearest square numbers: -19...80 (2401...2500 [50])
   sqrt(2420) = 49.1935
   ln(2420) = 7.79152
   log(2420) = 3.38382
   2420 reciprocal is .00041322314049586776859504132231
   2420! is inf
   2420 is 770.31 Pi years
   2420 is 121 scoreyears
   2420 written as a Roman numeral is MMCDXX
   2420 = 606^2 - 604^2 and 2 * (606 + 604) = 2420

log12(2420) = 3.13554, which when rounded to the nearest hundredth, equals Pi rounded to the nearest hundredth.


Creator: Gerald Thurman [gthurman@gmail.com]
Created: 06 August 2010

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