### About the Number 456 (four hundred fifty-six)

456 is the smallest number without a nBAB on 31 December 2017.

```MathBabbler Number Analyst (MBNA) output:
=========================================
456 is natural, counting, whole, integer
456 is even (not odd)
456 proper divisors are: 1,2,3,4,6,8,12,19,24,38,57,76,114,152,228,
456 has 15 proper divisors
456 is abundant (sum of divisors is 744; ratio: 1.63158)
456 is unhappy
456 is not a Squarefree Number: 4,
456 is composite (not prime)
456 has the prime factors: 2*2*2*3*19 (sum=28)
456 is a hoax number
456 is a 19-smooth number
456 is the sum of 4 consecutive primes
456 = 107 + 109 + 113 + 127
456 in octal is 0710
456 in hexadecimal is 0x1c8
456 in binary is 111001000 (is evil)
456 nearest square numbers: -15...28 (441...484 )
sqrt(456) = 21.3542
ln(456) = 6.12249
log(456) = 2.65896
456! is 1.50777e+1016
456 is 145.149 Pi years
456 is 22 score and 16 years
456 written as a Roman numeral is CDLVI
456 is 115^2 - 113^2 and 2 * (115 + 113)
456 is a multiple of 4 & it contains a 4 (A121024)
456 is a multiple of 6 & it contains a 6 (A121026)
__________________
456 reciprocal is 0.002192982456140350877
remainders:
1,10,100,88,424,136,448,376,112,208,256,280,64,184,16,160,232,40,400,352,328,88
```

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 31 December 2017 