This nBAB for the number

240was created by accident on 10 October 2015.MathBabbler Number Analyst (MBNA) output: ========================================= 240 is a natural, whole, integer 240 is even 240 proper divisors are: 1,2,3,4,5,6,8,10,12,15,16,20,24,30,40,48,60,80,120, 240 is refactorable (evenly divisable by # of divisors) 240 has 19 proper divisors 240 is abundant (sum of divisors is 504; ratio: 2.1) 240 is unhappy 240 is not a Squarefree Number: 4,16, 240 is Harshad (Niven) number 240 is composite (not prime) 240 has the prime factors: 2*2*2*2*3*5 (sum=16) 240 is pronic (oblong) (15*16) 240 is the sum of 8 consecutive primes 240 = 17 + 19 + 23 + 29 + 31 + 37 + 41 + 43 240 is not in A038853 240 in octal is 0360 240 in hexadecimal is 0xf0 240 in binary is 11110000 (is evil) 240 nearest square numbers: -15...16 (225...256 [16]) sqrt(240) = 15.4919 ln(240) = 5.48064 log(240) = 2.38021 240 reciprocal is .00416666666666666666666666666666 240! is 4.06789e+468 240 is 76.3944 Pi years 240 is 12 scoreyears 240 written as a Roman numeral is CCXL 240 is 61^2 - 59^2 and 2 * (61 + 59) 240 is a multiple of 2 & it contains a 2 (A121022) 240 is a multiple of 4 & it contains a 4 (A121024) 240 is a multiple of 24 & it contains a 24 240 is a multiple of 40 & it contains a 40

**Creator:** Gerald Thurman
[gthurman@gmail.com]

**Created:** 10 October 2015 (posted 11 October 2015)

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