### About the Number 4,900 (four thousand nine hundred)

This nBAB for the number 4900 was BAB# 4900 and it was posted on MathBabbler 4044th day of BABbling.

```MathBabbler Number Analyst (MBNA) output:
=========================================
4900 is a natural, whole, integer
4900 is even
4900 proper divisors are: 1,2,4,5,7,10,14,20,25,28,35,49,50,70,
98,100,140,175,196,245,350,490,700,980,
1225,2450,
4900 has 26 proper divisors
4900 is abundant (sum of divisors is 7469; ratio: 1.52429)
4900 is happy
4900 is not a Squarefree Number: 4,25,49,100,196,1225,4900,
4900 is composite (not prime)
4900 has the prime factors: 2*2*5*5*7*7 (sum=28)
4900 is a 7-smooth number
4900 is powerful (70^2*1^3)
4900 is not in A038853
4900 in octal is 011444
4900 in binary is 1001100100100 (is odious)
4900 nearest square numbers: 4900 is square (not odd square/not centered octagonal)
sqrt(4900) = 70
ln(4900) = 8.49699
log(4900) = 3.6902
4900 is 70^2
4900 reciprocal is .00020408163265306122448979591836
4900 is an apocalyptic power
4900! is inf
4900 is 1559.72 Pi years
4900 is 245 scoreyears
4900 is 1226^2 - 1224^2 and 2 * (1226 + 1224)
4900 is a multiple of 4 & it contains a 4 (A121024)
4900 is a multiple of 49 & it contains a 49
4900 is a multiple of 490 & it contains a 490
```

log15(`4899`) = 3.13768, which when rounded to the nearest hundredth, equals Pi rounded to the nearest hundredth.

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 07 March 2016