About the Number 2300 (two thousand three hundred)

This nBAB about the number 2300 was the BAB# 2300. It was posted on 28 May 2009, which just happened to be MathBabbler's 52nd birthday.

   MathBabbler Number Analyst (MBNA) output:
   =========================================
   2300 is a natural, whole, integer
   2300 is even
   2300 proper divisors are: 1,2,4,5,10,20,23,25,46,50,92,100,
                             115,230,460,575,1150
   2300 is abundant (sum of divisors is 2908)
   2300 is happy
   2300 is a Harshad number
   2300 is not prime
   2300 has the prime factors: 2*2*5*5*23 (sum=37)
   2300 sum of prime factors is: 37
   2300 and 2299 are a Ruth-Aaron pair (distinct prime factors)
   2300 in octal is 04374
   2300 in hexadecimal is 0x8fc
   2300 in binary is 100011111100 (is odious)
   2300 nearest square numbers: -91...4 (2209 [47]...2304 [48])
   sqrt(2300) = 47.9583
   ln(2300) = 7.74066
   log(2300) = 3.36173
   2300 reciprocal is .00043478260869565217391304347826
   2300 is an apocalyptic power
   2300! is inf
   2300 is 732.113 Pi years
   2300 is 115 scoreyears
   2300 written as a Roman numeral is MMCCC

WolframAlpha.com and NumberGossip.com reported that 2300 is a Tetrahedral (or pyramidal)number.

The first few Tetrahedral numbers are...

   1, 4, 10, 20, 35, 56, 84, 120, 165, 220, 286, 
   364, 455, 560, 680, 816, 969, ...

Wolfram|Alpha says 2300 is the 23rd Tetrahedral number.

   Tn = (n(n + 1)(n + 2)) / 6
   T23 = (23(23 + 1)(23 + 2)) / 6
   T23 = (23(24)(25)) / 6
   T23 = 2300

OEIS.org::id:A000292


Creator: Gerald Thurman [gthurman@gmail.com]
Created: 28 May 2009

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