While creating a nBAB for the number 191, the MBNA indicated that 191 was a Sexy prime with the number

`.`

197MathBabbler Number Analyst (MBNA) output: ========================================= 197 is a natural, whole, integer 197 is odd 197 proper divisors are: 1, 197 is deficient (sum of divisors is 1) 197 is unhappy 197 is not a Harshad number 197 is prime ...Cousin prime with 193 ...Sexy prime with 191 ...Twin prime with 199 ...Pythagorean ...Left-truncatable ...Right-truncatable ...Eisenstein ...prime triplet {191, 193, 197} ...prime triplet {193, 197, 199} ...prime quadruplet {191, 193, 197, 199} 197 in octal is 0305 197 in hexadecimal is 0xc5 197 in binary is 11000101 (is evil) 197 nearest square numbers: -1...28 (196...225 [15]) sqrt(197) = 14.0357 ln(197) = 5.2832 log(197) = 2.29447 197 reciprocal is .00507614213197969543147208121827 197! is 1.00078e+368 197 is 62.707 Pi years 197 is 9 score and 17 years 197 written as a Roman numeral is CXCVII

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

**Created:** 11 July 2009 (posted 13 July 2009)

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