About the Number 997 (nine hundred ninety-seven)

This nBAB for the number 997 was nBAB# 997. The nBAB was created to help get the nBAB counter to 1000.

MathBabbler Number Analyst (MBNA) output:
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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

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