397was the smallest number that didn't have a nBAB on 1 February 2017.MathBabbler Number Analyst (MBNA) output: ========================================= 397 is natural, counting, whole, integer 397 is odd (not even) 397 is extremely odd 397 proper divisors are: 1, 397 has 1 proper divisors 397 is deficient (sum of divisors is 1; ratio: 0.00251889) 397 is happy 397 is a Squarefree Number 397 is prime (not composite) ...Cousin prime with 401 ...Truman Gerald (p-30) prime with 367 ...Pythagorean prime ...Left-truncatable prime ...Strong prime 397 is a ThurmNumber 397 in octal is 0615 397 in hexadecimal is 0x18d 397 in binary is 110001101 (is odious) 397 nearest square numbers: -36...3 (361...400 [20]) sqrt(397) = 19.9249 ln(397) = 5.98394 log(397) = 2.59879 397! is 1.00809e+861 397 is 126.369 Pi years 397 is 19 score and 17 years 397 written as a Roman numeral is CCCXCVII 397 is 199^2 - 198^2 and 199 + 198 = 397 ___________________________________________________________________________________________________ 397 reciprocal is 0.002518891687657430730478589420654911838790931989924433249370277078085642317380352644836272040302267

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

**Created:** 01 February 2017

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