This nBAB for the number

`was the`

199`nBAB.`

199thMathBabbler Number Analyst (MBNA) output: ========================================= 199 is a natural, whole, integer 199 is odd 199 proper divisors are: 1, 199 is deficient (sum of divisors is 1) 199 is unhappy 199 is not a Harshad number 199 is prime ...Sexy prime with 193 ...Twin prime with 197 ...OEIS:002145 (4n+3; n=49) ...Right-truncatable ...prime triplet {193, 197, 199} ...prime quadruplet {191, 193, 197, 199} 199 in octal is 0307 199 in hexadecimal is 0xc7 199 in binary is 11000111 (is odious) 199 nearest square numbers: -3...26 (196...225 [15]) sqrt(199) = 14.1067 ln(199) = 5.2933 log(199) = 2.29885 199 reciprocal is .00502512562814070351758793969849 199! is 3.94329e+372 199 is 63.3437 Pi years 199 is 9 score and 19 years 199 written as a Roman numeral is CXCIX

`[Wikipedia.org]`

`is the "sum of three consecutive primes (61 + 67 + 71) as well as the sum of five consecutive primes (31 + 37 + 41 + 43 + 47)."`

199

`[Wikipedia.org]`

`is a`

199permutableprime. Apermutableprime is a "prime number, which, in a given base, can have its digits switched to any possible permutation and still spell a prime number."OEIS.org::id:A003459

`[WolframAlpha.com]`

`is a`

199Lucasnumber.OEIS.org::id:A000032

**Creator:** Gerald Thurman
[gthurman@gmail.com]

**Created:** 21 June 2009

This work is licensed under a Creative Commons Attribution 3.0 United States License.