About the Number 260 (two hundred sixty)

260 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 260, 261 became the smallest number without a nBAB on 7 April 2016.

MathBabbler Number Analyst (MBNA) output:
=========================================
260 is a natural, whole, integer
260 is even
260 proper divisors are: 1,2,4,5,10,13,20,26,52,65,130,
260 has 11 proper divisors
260 is abundant (sum of divisors is 328; ratio: 1.26154)
260 is unhappy
260 is not a Squarefree Number: 4,
260 is composite (not prime)
260 has the prime factors: 2*2*5*13 (sum=22)
260 is a 13-smooth number
260 is Arithmetic (A003601)
260 in octal is 0404
260 in hexadecimal is 0x104
260 in binary is 100000100 (is evil)
260 nearest square numbers: -4...29 (256...289 [17])
sqrt(260) = 16.1245
ln(260) = 5.56068
log(260) = 2.41497
260 reciprocal is .00384615384615384615384615384615
260! is 3.8302e+516
260 is 82.7606 Pi years
260 is 13 scoreyears
260 written as a Roman numeral is CCLX
260 is 66^2 - 64^2 and 2 * (66 + 64)
260 is a multiple of 2 & it contains a 2 (A121022)
260 is a multiple of 26 & it contains a 26

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

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