About the Number 266 (two hundred sixty-six)

266 was the smallest number that didn't have a nBAB on 7 April 2016. MathBabbler is trying to ensure that the numbers 0-300 have nBABs by the end of the Spring 2016 Semester. With the posting of this nBAB for 266, 267 became the smallest number without a nBAB on 7 April 2016.

MathBabbler Number Analyst (MBNA) output:
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266 is a natural, whole, integer
266 is even
266 proper divisors are: 1,2,7,14,19,38,133,
266 has 7 proper divisors
266 is deficient (sum of divisors is 214; ratio: 0.804511)
266 is unhappy
266 is a Squarefree Number
266 is Harshad (Niven) number
266 is composite (not prime)
266 has the prime factors: 2*7*19 (sum=28)
266 is sphenic (had 3 unique prime factors)
266 is a 19-smooth number
266 is a Moran Number
266 is Arithmetic (A003601)
266 in octal is 0412
266 in hexadecimal is 0x10a
266 in binary is 100001010 (is odious)
266 nearest square numbers: -10...23 (256...289 [17])
sqrt(266) = 16.3095
ln(266) = 5.5835
log(266) = 2.42488
266 reciprocal is .00375939849624060150375939849624
266! is 1.28189e+531
266 is 84.6704 Pi years
266 is 13 score and 6 years
266 written as a Roman numeral is CCLXVI
266 is a multiple of 2 & it contains a 2 (A121022)

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

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