About the Number 480 (four hundred eighty)

480 was the smallest number without a nBAB on 25 May 2018. This nBAB for 480 was posted shortly after the nBABs for 475, 476, 477, and 478 were posted on the same day.

MathBabbler lives in area code 480.

MathBabbler Number Analyst (MBNA) output:
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480 is natural, counting, whole, integer
480 is even (not odd)
480 proper divisors are: 1,2,3,4,5,6,8,10,12,15,16,20,24,30,32,
                         40,48,60,80,96,120,160,240,
480 is refactorable (evenly divisable  by # of divisors)
480 has 23 proper divisors
480 is abundant (sum of divisors is 1032; ratio: 2.15)
480 is unhappy
480 is not a Squarefree Number: 4,16,
480 is Harshad (Niven) number
480 is composite (not prime)
480 has the prime factors: 2*2*2*2*2*3*5 (sum=18)
480 is a 5-smooth number
480 is the sum of 4 consecutive primes
480 = 109 + 113 + 127 + 131
480 in octal is 0740
480 in hexadecimal is 0x1e0
480 in binary is 111100000 (is evil)
480 nearest square numbers: -39...4 (441...484 [22])
sqrt(480) = 21.9089
ln(480) = 6.17379
log(480) = 2.68124
480! is 1.88031e+1080
480 is 152.789 Pi years
480 is 24 scoreyears
480 written as a Roman numeral is CDLXXX
480 is 121^2 - 119^2 and 2 * (121 + 119)
480 is a multiple of 4 & it contains a 4 (A121024)
480 is a multiple of 8 & it contains a 8 (A121028)
480 is a multiple of 48 & it contains a 48
480 is a multiple of 80 & it contains a 80
                         _
480 reciprocal is 0.002083
remainders: 
1,10,100,40,400,160,160

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 25 May 2018

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