Hexadecimal Numbers Practice Problems Online

Express the decimal number $99$ as a hexadecimal (16-ary) number.

Note: $N_{16}$ means a hexadecimal number $N.$

54_{16}

72_{16}

63_{16}

81_{16}

If $X$ is a decimal number $181$ and $Y$ is a hexadecimal number $67_{16}$ , what is the sum of the two numbers as a decimal number?

Note: $N_{16}$ means a hexadecimal number $N.$

If $X$ is a hexadecimal number $E2_{16}$ and $Y$ is a decimal number $181$ , what is the sum of the two numbers as a hexadecimal number?

Note: $N_{16}$ means a hexadecimal number $N.$

197_{16}

188_{16}

1A6_{16}

179_{16}

Express a decimal number $53$ into a hexadecimal (16-ary) number.

Express the hexadecimal (16-ary) number $E7_{16}$ as a decimal number.

Note: $N_{16}$ means a hexadecimal number $N.$

Hexadecimal Numbers