### About the Number 56 (fifty-six)

Billy Powell died of a heart attack on 28 January 2009 at the age of `56`. Powell was the keyboard player for Lynyrd Skynyrd joining the band in 1972. MathBabbler likes Powell's piano playing on the song "Tuesdays Gone."

```   MathBabbler Number Analyst (MBNA) output:
=========================================
56 is a natural, whole, integer
56 is even
56 proper divisors are: 1,2,4,7,8,14,28,
56 is refactorable (evenly divisable by # of divisors)
56 is abundant (sum of divisors is 64)
56 is unhappy
56 is not a Harshad number
56 is not prime
56 is undulating
56 has the prime factors: 2*2*2*7
56 in octal is 070
56 in hexadecimal is 0x38
56 in binary is 111000 (is odious)
56 nearest square numbers: -7...8 (49...64 )
sqrt(56) = 7.48331
ln(56) = 4.02535
log(56) = 1.74819
56 reciprocal is .01785714285714285714285714285714
56! is 7.10999e+74
56 is 17.8254 Pi years
56 is 2 score and 16 years
56 written as a Roman numeral is LVI
```

`56 = 2 score and 2^2^2 years`

`[Wikipedia]` `56` is the sum of six consecutive primes (starting with 3).

`[Wikipedia]` `56` is a pronic number. A pronic number is a number which is the product of two consecutive integers.

```   Problem:  56 is a pronic number when 'n' equals what integer(s)?

step 1:  n(n + 1) = 56

step 2:  n^2 + n - 56 = 0   <-- quadratic equation in standard form

step 3 is left as an exercise:  Use the quadratic formula to get the two
real number solutions  n = -8  &  n = 7

step 4 (check answers):  -8(-8 + 1) = -8(-7) = 56
7( 7 + 1) =  7( 8) = 56
```

##### Update::2014.01.31

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 29 January 2009 