Brilliant

Home Courses Today

Excel in math and science.

Log in with Facebook Log in with Google Log in with email

Join using Facebook Join using Google Join using email

Forgot password? New user? Sign up

Existing user? Log in

Your answer seems reasonable. Find out if you're right!

Sign up to access problem solutions.

That seems reasonable. Find out if you're right!

Sign up to save your progress!

Log in with Facebook Log in with Google Log in with email

Join using Facebook Join using Google Join using email

Forgot password? New user? Sign up

Existing user? Log in

Number Bases

Concept Quizzes

Number Bases Warmup
Alternate Bases
Binary Numbers
Hexadecimal Numbers
Arithmetic in Base N Warmup
Integer Number Bases

Challenge Quizzes

Number Bases: Level 1 Challenges
Number Bases: Level 2 Challenges
Number Bases: Level 3 Challenges
Number Bases: Level 4 Challenges
Number Bases: Level 5 Challenges

Binary Numbers

Express $52$ in binary.

100100

110101

110100

100101

Show explanation

View wiki

by Brilliant Staff

Convert the binary number $1 1 1 1 0 1_2$ into a decimal number.

61 62 122 30

Show explanation

View wiki

by Brilliant Staff

Express the base-10 number $30$ in binary.

01110_2

11110_2

11111_2

01111_2

Show explanation

View wiki

by Brilliant Staff

Convert the binary number $1 1 1 0 0 0 0_2$ into a decimal number.

112 56 113 224

Show explanation

View wiki

by Brilliant Staff

Convert the binary number $1 1 0 1 0 _2$ into a base-10 number.

26 52 13 27

Show explanation

View wiki

by Brilliant Staff

×

Problem Loading...

Note Loading...

Set Loading...