### About the Number 97 (ninety-seven)

The state of Arizona turned `97` on 14 February 2009.

```   MathBabbler Number Analyst (MBNA) output:
=========================================
97 is a natural, whole, integer
97 is odd
97 proper divisors are: 1,
97 is deficient (sum of divisors is 1)
97 is happy
97 is not a Harshad number
97 is prime
...Cousin prime with 101
...Sexy prime with 103
...Pythagorean
...Left-truncatable
...prime triplet {97, 101, 103}
97 is undulating
97 in octal is 0141
97 in hexadecimal is 0x61
97 in binary is 1100001 (is odious)
97 nearest square numbers: -16...3 (81...100 )
sqrt(97) = 9.84886
ln(97) = 4.57471
log(97) = 1.98677
97 reciprocal is .01030927835051546391752577319587
97! is 9.61928e+151
97 is 30.8761 Pi years
97 is 4 score and 17 years
97 written as a Roman numeral is XCVII
```
##### Update::2009.07.03

Karl Malden, an American actor, died 1 July 2009 at the age of `97`.

The following information about the number `97` was obtained from WolframAlpha.com.

```   sum of two squares:
97 = 4^2 + 9^2

97 is the hypotenuse of a primitive Pythagorean triple:
97^2 = 65^2+72^2
```

The following information about the number `97` was obtained from NumberGossip.com.

```   There are 97 leap days every 400 years in the Gregorian Calendar.

97 is the smallest prime that has a prime alphabetical
value in its Roman numerals-based representation (XCVII):
24 + 3 + 22 + 9 + 9 = 67
```

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 13 February 2009 