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