Integer
Not square
Not triangular
Has no '5' digit
Has 9 or fewer factors
Coprime with 21
Not 43
Has a prime factor greater than 10
Roman numeral has 4 or fewer characters
Even
Multiple of 4
Integer
Not square
Not triangular
Has no '5' digit
Has 9 or fewer factors
Coprime with 21
Not 43
Has a prime factor greater than 10
Roman numeral has 4 or fewer characters
Even
Integer
Not square
Not triangular
Has no '5' digit
Has 9 or fewer factors
Coprime with 21
Not 43
Has a prime factor greater than 10
Roman numeral has 4 or fewer characters
Integer
Not square
Not triangular
Has no '5' digit
Has 9 or fewer factors
Coprime with 21
Not 43
Has a prime factor greater than 10
Integer
Not square
Not triangular
Has no '5' digit
Has 9 or fewer factors
Coprime with 21
Not 43
Integer
Not square
Not triangular
Has no '5' digit
Has 9 or fewer factors
Coprime with 21
Integer
Not square
Not triangular
Has no '5' digit
Has 9 or fewer factors
Integer
Not square
Not triangular
Has no '5' digit
Integer
Not square
Not triangular
Integer
Not square
Integer
