This nBAB for the number

997was nBAB#997. The nBAB was created to help get the nBAB counter to 1000.MathBabbler Number Analyst (MBNA) output: ========================================= 997 is a natural, whole, integer 997 is odd 997 proper divisors are: 1, 997 has 1 proper divisors 997 is deficient (sum of divisors is 1; ratio: 0.00100301) 997 is unhappy 997 is a Squarefree Number 997 is prime (not composite) ...Sexy prime with 991 ...Truman Gerald prime with 967 ...Pythagorean ...Left-truncatable 997 is a lucky number 997 is Arithmetic (A003601) 997 in octal is 01745 997 in hexadecimal is 0x3e5 997 in binary is 1111100101 (is odious) 997 nearest square numbers: -36...27 (961...1024 [32]) sqrt(997) = 31.5753 ln(997) = 6.90475 log(997) = 2.9987 997 reciprocal is .00100300902708124373119358074222 997! is 4.03597e+2558 997 is 317.355 Pi years 997 is 49 score and 17 years 997 written as a Roman numeral is CMXCVII 997 is 499^2 - 498^2 and 499 + 498 = 997

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

**Created:** 13 December 2015

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