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

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