Welcome to Number Maniacs A number is an arithmetical value that can be a symbol, word, or figure that is used to count, measure, and calculate.

Number Maniacs displays many of these words, symbols, figures, and calculations in addition to showing different ways of writing, converting, and calculating numbers.

Please see our Directory for all our calculators, widgets, resources and tools. Below are some examples of questions and problems that we have explained and solved. You are welcome to contact us if you have a number question.

Convert 1 million to billion

Simplify Cube Root of 16

Is 121 a triangular number?

Convert 5 billion to million

What is 1.21 repeating as a fraction?

What does 6 figures mean?

How much gas to drive 280 miles?

Is 105 divisible by 15?

What is 100 in Latin?

1/4 cup plus 1/4 cup

List of numbers divisible by 3

Convert 2 thousand to million

What number is 24 of 80?

1/2 vs 1/3

What is 3/5 as a whole number?

What is 1 with 12 zeros?

What is the Remainder of 21 divided by 4?

Is 6 an abundant number?

What is 1 with 50 zeros?

What is the circumference of a circle with a radius of 29?

Cyclicity of 36

What two numbers have an absolute value of 17?

Convert 3 billion to trillion

12/12/19 in Roman Numerals

How to say 0.123 in words

Is 140 a deficient number?

What are the divisors of 50?

Is 233 a Fibonacci Number?

What grade is 43 correct out of 59 possible?

What is 49.99 plus GST?

88.55 inches in feet

92.75 kg to lbs

0.145 as a Percent

199 in Words

123 in Roman Numerals

What is 15 percent off 60 euro?

How to write and spell 7 in Portuguese

Convert 100 million to trillion

What size is a number 3 drill bit?

Reciprocal of 54

How to spell 21st

What is the Sum of Factors of 36?

Factors of 7, 8 and 9

2 hours 20 minutes as a decimal

Convert 50 thousand to billion

How many times can you subtract 3 from 33?

What Prime Numbers Equal 20?

What is 4 over 7 simplified?

What does 5 figures mean?

Daily Sudoku