This nBAB about the number

`was the BAB#`

2300`. It was posted on 28 May 2009, which just happened to be MathBabbler's 52nd birthday.`

2300MathBabbler 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 MMCCCWolframAlpha.com and NumberGossip.com reported that

`is a`

2300Tetrahedral(orpyramidal)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

`is the 23rd Tetrahedral number.`

2300T_{n}= (n(n + 1)(n + 2)) / 6 T_{23}= (23(23 + 1)(23 + 2)) / 6 T_{23}= (23(24)(25)) / 6 T_{23}=2300OEIS.org::id:A000292

**Creator:** Gerald Thurman
[gthurman@gmail.com]

**Created:** 28 May 2009

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