About the Number 249 (two hundred forty-nine)

249 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 249, 250 became the smallest number without a nBAB on 7 April 2016.

MathBabbler Number Analyst (MBNA) output:
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249 is a natural, whole, integer
249 is odd
249 proper divisors are: 1,3,83,
249 has 3 proper divisors
249 is deficient (sum of divisors is 87; ratio: 0.349398)
249 is unhappy
249 is a Squarefree Number
249 is composite (not prime)
249 has the prime factors: 3*83 (sum=86)
249 is semiprime (biprime or 2-almost prime)
249 is a 83-smooth number
249 is Arithmetic (A003601)
249 in octal is 0371
249 in hexadecimal is 0xf9
249 in binary is 11111001 (is evil)
249 nearest square numbers: -24...7 (225...256 [16])
sqrt(249) = 15.7797
ln(249) = 5.51745
log(249) = 2.3962
249 reciprocal is .00401606425702811244979919678714
249! is 1.29314e+490
249 is 79.2592 Pi years
249 is 12 score and 9 years
249 written as a Roman numeral is CCXLIX
249 is 125^2 - 124^2 and 125 + 124 = 249

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

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