### About the Number 504 (five hundred four)

504 was the smallest number without a nBAB on 14 June 2018.

```MathBabbler Number Analyst (MBNA) output:
=========================================
504 is natural, counting, whole, integer
504 is even (not odd)
504 proper divisors are: 1,2,3,4,6,7,8,9,12,14,18,21,24,28,36,
42,56,63,72,84,126,168,252,
504 is refactorable (evenly divisable  by # of divisors)
504 has 23 proper divisors
504 is abundant (sum of divisors is 1056; ratio: 2.09524)
504 is unhappy
504 is not a Squarefree Number: 4,9,36,
504 is Harshad (Niven) number
504 is composite (not prime)
504 has the prime factors: 2*2*2*3*3*7 (sum=19)
504 is a 7-smooth number
504 in octal is 0770
504 in hexadecimal is 0x1f8
504 in binary is 111111000 (is evil)
504 nearest square numbers: -20...25 (484...529 )
sqrt(504) = 22.4499
ln(504) = 6.22258
log(504) = 2.70243
504! is 7.77944e+1144
504 is 160.428 Pi years
504 is 25 score and 4 years
504 written as a Roman numeral is DIV
504 is 127^2 - 125^2 and 2 * (127 + 125)
504 is a multiple of 4 & it contains a 4 (A121024)
______
504 reciprocal is 0.001984126
remainders:
1,10,100,496,424,208,64,136,352,496
```

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 14 June 2018 