About the Number 258 (two hundred fifty-eight)

This nBAB for the number 258 was BAB# 258 for 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:
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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

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