### 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 )
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 