This nBAB for the number

258was BAB#258for the Spring 2015 Semester. The posting of this nBAB tied the record for the most BABs posted during a BABbling session.MathBabbler Number Analyst (MBNA) output: ========================================= 258 is a natural, whole, integer 258 is even 258 proper divisors are: 1,2,3,6,43,86,129, 258 has 7 proper divisors 258 is abundant (sum of divisors is 270; ratio: 1.04651) 258 is unhappy 258 is a Squarefree Number 258 is composite (not prime) 258 has the prime factors: 2*3*43 (sum=48) 258 is sphenic (had 3 unique prime factors) 258 is Arithmetic (A003601) 258 is the sum of 4 consecutive primes 258 = 59 + 61 + 67 + 71 258 in octal is 0402 258 in hexadecimal is 0x102 258 in binary is 100000010 (is evil) 258 nearest square numbers: -2...31 (256...289 [17]) sqrt(258) = 16.0624 ln(258) = 5.55296 log(258) = 2.41162 258 reciprocal is .00387596899224806201550387596899 258! is 5.68785e+511 258 is 82.124 Pi years 258 is 12 score and 18 years 258 written as a Roman numeral is CCLVIII 258 is a multiple of 2 & it contains a 2 (A121022)

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

**Created:** 10 May 2015

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