### About the Number 38 (thirty-eight)

Brad Avery turned `38` years of age on 20 August 2009. Avery plays guitar for Green Day and Green Day has been Bree's favorite band since she was 12 (i.e. since approximately 1994). [Note: Bree is MathBabbler's daughter.]

```   MathBabbler Number Analyst (MBNA) output:
=========================================
38 is a natural, whole, integer
38 is even
38 proper divisors are: 1,2,19,
38 is deficient (sum of divisors is 22)
38 is unhappy
38 is not a Harshad number
38 is not prime
38 has the prime factors: 2*19 (sum=21)
38 is semiprime (biprime or 2-almost prime)
38 sum of prime factors is: 21
38 is undulating
38 in octal is 046
38 in hexadecimal is 0x26
38 in binary is 100110 (is odious)
38 nearest square numbers: -2...11 (36...49 [7])
sqrt(38) = 6.16441
ln(38) = 3.63759
log(38) = 1.57978
38 reciprocal is .02631578947368421052631578947368
38! is 5.23023e+44
38 is 12.0958 Pi years
38 is 1 score and 18 years
38 written as a Roman numeral is XXXVIII
```

`38` is a triple-X Roman numeral number. NumberGossip.com reported that XXXVIII is "lexicographically the last string which represents a valid Roman numeral."

`38` in base-12 is repdigit number 44.

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 20 August 2009