About the Number 198 (one hundred ninety-eight)

This nBAB for the number 198 was created on 2 May 2015 because missing nBABs for the numbers in the [168, 198] sequence were being turned into nBABs. 198 is in the [168, 198] sequence and it didn't have a nBAB.

MathBabbler Number Analyst (MBNA) output:
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198 is a natural, whole, integer
198 is even
198 proper divisors are: 1,2,3,6,9,11,18,22,33,66,99,
198 has 11 proper divisors
198 is abundant (sum of divisors is 270; ratio: 1.36364)
198 is unhappy
198 is not a Squarefree Number: 9,
198 is Harshad (Niven) number
198 is composite (not prime)
198 has the prime factors: 2*3*3*11 (sum=19)
198 is Arithmetic (A003601)
198 is the sum of 2 consecutive primes
198 = 97 + 101
198 in octal is 0306
198 in hexadecimal is 0xc6
198 in binary is 11000110 (is evil)
198 nearest square numbers: -2...27 (196...225 [15])
sqrt(198) = 14.0712
ln(198) = 5.28827
log(198) = 2.29667
198 reciprocal is .00505050505050505050505050505050
198! is 1.98155e+370
198 is 63.0254 Pi years
198 is 9 score and 18 years
198 written as a Roman numeral is CXCVIII
198 is a multiple of 1 & it contains a 1 (A011531)
198 is a multiple of 9 & it contains a 9 (A121029)

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 02 May 2015

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