About the Number 201 (two hundred one)

This nBAB for the number 201 was BAB# 201 for the Spring 2015 Semester. This nBAB was posted on 30 April 2015.

MathBabbler Number Analyst (MBNA) output:
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201 is a natural, whole, integer
201 is odd
201 proper divisors are: 1,3,67,
201 has 3 proper divisors
201 is deficient (sum of divisors is 71; ratio: 0.353234)
201 is unhappy
201 is a Squarefree Number
201 is Harshad (Niven) number
201 is composite (not prime)
201 has the prime factors: 3*67 (sum=70)
201 is semiprime (biprime or 2-almost prime)
201 is a lucky number
201 is Arithmetic (A003601)
201 in octal is 0311
201 in hexadecimal is 0xc9
201 in binary is 11001001 (is evil)
201 nearest square numbers: -5...24 (196...225 [15])
sqrt(201) = 14.1774
ln(201) = 5.3033
log(201) = 2.3032
201 reciprocal is .00497512437810945273631840796019
201! is 1.5852e+377
201 is 63.9803 Pi years
201 is 10 score and 1 year
201 written as a Roman numeral is CCI
201 is 101^2 - 100^2 and 101 + 100 = 201
201 is a multiple of 1 & it contains a 1 (A011531)

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 30 April 2015

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