Number Tools
Generate, convert, round and analyze numbers. All 194 tools run entirely in your browser, so your data never leaves your device.
All number tools
194 tools
Add Errors to Numbers
Modify numbers so they are almost the same but have errors.
Add Fractions
Quickly sum up all the fractions in the given list and find their total.
Analyze a Number
Report how many digits appear how many times.
Calculate a Running Difference
Calculate a cumulative difference of a list of numbers.
Calculate a Running Product
Calculate a cumulative product of a list of numbers.
Calculate a Running Sum
Calculate a cumulative sum of a list of numbers.
Calculate All Factors of a Number
Quickly compute all divisors of a number.
Calculate Digit Product
Quickly multiply all the digits of the given numbers.
Calculate Digit Quotient
Divide the digits of the given number.
Calculate Digit Sum
Quickly add up all the digits of the given numbers.
Calculate Dragon Curve Numbers
Generate a list of paperfolding sequence numbers.
Calculate e Digits
Quickly generate the specified number of Euler constant's digits.
Calculate Fibonacci-like Series
Quickly generate Fibonacci-like series with custom start values.
Calculate Fibonacci Numbers
Quickly calculate numbers of Fibonacci sequence.
Generate Fibonacci Primes
Find numbers that are both Fibonacci numbers and primes.
Calculate Linear Recurrence Series
Quickly calculate members of a linear recurrence series.
Calculate Lucas Numbers
Quickly calculate numbers of Lucas series.
Generate Lucas Primes
Calculate a series of Lucas primes.
Calculate Matrix Determinant
Quickly find the determinant of any square matrix.
Generate Negafibonacci Numbers
Calculate a series of extended Fibonacci numbers.
Generate Negalucas Numbers
Calculate a series of extended Lucas numbers.
Calculate Number Product
Quickly multiply all the numbers together and find their product.
Calculate Number Quotient
Divide two numbers and find their quotient.
Calculate Number Sum
Quickly add up all the numbers in the given list and find their sum.
Calculate Percentages
Find x% of a number.
Calculate Phi Digits
Quickly generate any number of golden ratio digits.
Calculate Pi Digits
Quickly calculate any number of digits of number π.
Calculate Prime Factors
Quickly compute all prime factors of a number.
Calculate Prime Numbers
Quickly create a sequence of prime numbers.
Calculate the Average
Find the average of multiple numbers.
Calculate the Factorial
Find the factorial of a number.
Calculate the Mean
Find the mean of multiple numbers.
Calculate the Mode
Find the mode of multiple numbers.
Calculate the Modulo
Find the modulus of a number.
Change Number's Exponent
Change the power of a number.
Change Number's Mantissa
Change the significand of a number.
Change a Number's Base
Quickly convert a number from one base to any other base.
Change Number Font
Write numbers in a different font.
Check If a Number Is a Palindrome
Quickly test if the given numbers are palindromes.
Construct Fibonacci Words
Create a sequence of Fibonacci words.
Construct Pentanacci Words
Create a sequence of Pentanacci words.
Construct Tetranacci Words
Create a sequence of Tetranacci words.
Construct Tribonacci Words
Create a sequence of Tribonacci words.
Convert a Binary Number to Decimal Number
Convert a base two number to base ten number.
Convert a Binary Number to Hex Number
Convert a base two number to base sixteen number.
Convert a Binary Number to Octal Number
Convert a base two number to base eight number.
Convert a Decimal Number to Binary Number
Convert a base ten number to base two number.
Convert a Decimal Number to Hex Number
Convert a base ten number to base sixteen number.
Convert a Decimal Number to Octal Number
Convert a base ten number to base eight number.
Convert a Decimal to a Fraction
Convert a decimal number to a fraction.
Convert a Fraction to a Decimal
Convert a fraction to a decimal number.
Convert a Hex Number to Binary Number
Convert a base sixteen number to base two number.
Convert a Hex Number to Decimal Number
Convert a base sixteen number to base ten number.
Convert a Hex Number to Octal Number
Convert a base sixteen number to base eight number.
Convert a Number to an Ordinal
Convert a cardinal number to an ordinal number.
Convert a Number to Roman Number
Convert Arabic numerals to Roman numerals.
Convert a Number to the Scientific Notation
Convert a number to the a × 10^b form.
Convert a Number to the Negadecimal Base
Quickly convert base 10 numbers to base -10.
Convert a Number to the Power of Ten
Quickly express a number in the form 10^x.
Convert a Number to the Power of Two
Quickly convert a number to the form 2^x.
Convert a Roman Number to Regular Number
Convert Roman Numerals to Arabic numerals.
Convert a Octal Number to Binary Number
Convert a base eight number to base two number.
Convert a Octal Number to Decimal Number
Convert a base eight number to base ten number.
Convert a Octal Number to Hex Number
Convert a base eight number to base sixteen number.
Convert an Ordinal to a Number
Convert an ordinal number to a cardinal number.
Convert Any Number to Any Base
Convert any number in any base to any other base.
Convert Numbers to a Picture
Quickly create a downloadable image from numbers.
Convert Scientific Notation to a Number
Convert a number in scientific notation to a regular number.
Count Number Occurrences
Find how often numeric values occur.
Create a Floating Point Number
Create a number from the mantissa, base, and exponent.
Create a Number Circle
Form a circle from the digits of a number.
Create a Number Digit Tree
Form a tree from the digits of a number.
Create a Number Spiral
Form a spiral from the digits of a number.
Create a Number Tree
Form a tree from the given numbers.
Create a Palindrome from a Number
Quickly add digits to a number so that it becomes a palindrome.
Create Fake Numbers
Change digits in a number to Unicode look-alikes.
Create Number Anagrams
Create one or more anagrams of a number.
Create Number Typos
Generate various number typos.
Create Unicode Fractions
Quickly convert simple fractions to pretty Unicode fractions.
Create Zalgo Numbers
Let Zalgo destroy your numbers.
Custom-pad a Number
Add a padding of custom symbols to a number.
Decrease a Number
Subtract one from the given number.
Decrease All Digits in a Number
Subtract one from every digit in a number.
Draw a Magic Square
Create a matrix of numbers with rows and cols having same sum.
Draw a Number as Color Spectrum
Visualize a number by drawing its digits as a color gradient.
Draw a Number on an LCD
Generate an LCD display that shows the given number.
Draw a Numbers Table
Generate a table of numbers.
Draw Pascal's Triangle
Quickly calculate the coefficients of the binomial expansion.
Generate Even Numbers
Quickly create a sequence of even numbers.
Fibonacci Number Test
Check if a number is a Fibonacci number.
Fibonacci Prime Test
Check if a number is both a Fibonacci number and a prime.
Filter a List of Numbers
Quickly filter numbers according to certain criteria.
Find Entropy of a Number
Calculate the complexity (entropy) of a number.
Find Greatest Common Divisor
Quickly calculate the GCD of two or more numbers.
Find Least Common Multiple
Quickly calculate the LCM of two or more numbers.
Find Matrix Inverse
Quickly find the inverse matrix of any square matrix.
Find Patterns in Numbers
Discover patterns in sequences of numbers.
Find the Decimal Expansion of a Number
Rewrite a number in the decimal representation.
Find the Maximum Number
Quickly find the largest number in a number sequence.
Find the Minimum Number
Quickly find the smallest number in a number sequence.
Find the Transpose of a Matrix
Quickly exchange rows and columns of a matrix.
Generate Deficient Number Sequence
Calculate a sequence of deficient numbers.
Generate a Geometric Progression
Quickly create a list of numbers in geometric series.
Generate a Long Number
Create a number with many digits.
Generate a Polynomial Sequence
Create a list of polynomial progression numbers.
Generate a Sequence of Cubes
Quickly create a list of cubes.
Generate a Sequence of Squares
Quickly create a list of squares.
Generate a Short Number
Create a number with not that many digits.
Generate a Unit Matrix
Quickly create a diagonal matrix with ones on the main diagonal.
Generate Almost Perfect Numbers
Create a list of almost perfect numbers.
Generate an Arithmetic Progression
Quickly create a list of numbers in arithmetic series.
Generate an Integer Sequence
Quickly create a list of increasing or decreasing integers.
Generate Baum-Sweet Numbers
Calculate a sequence of Baum-Sweet numbers.
Generate Big Numbers
Create a list of big numbers.
Generate Binary Numbers
Create a sequence of binary numbers.
Generate Bold Numbers
Write numbers in a bold font.
Generate Braille Numbering
Create a list of Braille numbers (⠁, ⠃, ⠉, ⠙, ⠑, …).
Generate Complex Numbers
Create a list of complex numbers.
Generate Composite Numbers
Create a list of numbers that are not prime.
Generate Constant Sequence
Create a series of numbers where all terms are the same.
Generate Custom Numbers
Create numbers of arbitrary length and properties.
Generate Excessive Number Sequence
Calculate a sequence of abundant numbers.
Generate Gijswijt Numbers
Calculate a sequence of self-describing Gijswijt numbers.
Generate Kolakoski Numbers
Calculate a sequence of Oldenburger-Kolakoski numbers.
Generate Look-and-Say Numbers
Quickly generate numbers of say what you see sequence.
Generate Magic Numbers
Create a list of neat looking numbers.
Generate Moser de Bruijn Numbers
Calculate a sequence of Moser-Bruijn numbers.
Generate Natural Numbers
Create a list of natural numbers.
Generate Number Bigrams
Create a list of digit bigrams from a number.
Generate Number N-grams
Create a list of digit ngrams from a number.
Generate Number Trigrams
Create a list of digit trigrams from a number.
Generate Numberwang Numbers
Create a list of numberwang numbers.
Generate Pairs of Numbers
Create a sequence of number pairs.
Generate Perfect Numbers
Create a list of perfect numbers.
Generate Random Binary Numbers
Create a list of random binary numbers.
Generate Random Decimal Numbers
Create a list of random decimal numbers.
Generate Random Hex Numbers
Create a list of random hexadecimal numbers.
Generate Random Octal Numbers
Create a list of random octal numbers.
Generate Random Prime Numbers
Quickly create a list of random primes from a specific interval.
Generate Random Vectors
Quickly create a random row or column vector.
Generate Rational Numbers
Create a list of rational numbers.
Generate Real Numbers
Create a sequence of real numbers.
Generate Roman Numbering
Create a list of Roman numbers (i, ii, iii, iv, v…).
Generate Rudin-Shapiro Numbers
Calculate a sequence of Rudin-Shapiro numbers.
Generate SI Prefixes
Create a list of metric prefixes.
Generate Small Numbers
Create a list of small numbers.
Generate Stanley Numbers
Calculate a sequence of Stanley numbers.
Generate Strikethrough Numbers
Write numbers with a strikethrough on them.
Generate Subscript Numbers
Write numbers in a subscript font.
Generate Superscript Numbers
Write numbers in a superscript font.
Generate Symbolic Numbering
Create a list of alphabetic numbers (a, b, c, …, z, aa, ab, …).
Generate the Biggest Number
Print the biggest number in the world.
Generate the Smallest Number
Print the smallest number in the world.
Generate Thue-Morse Sequence
Calculate members of Thue-Morse number series.
Generate Triples of Numbers
Create a sequence of number triples.
Generate Tuples of Numbers
Create a sequence of number n-tuples.
Generate Unary Numbering
Create a list of unary numbers (1, 11, 111, 1111, …).
Generate Underline Numbers
Write numbers with an underline below them.
Group Number Digits
Group together digits of a number.
Increase a Number
Add one to the given number.
Increase All Digits in a Number
Add one to every digit in a number.
Interweave Numbers
Interweave two or more numbers digit-by-digit.
Lucas Prime Test
Check if a number is both a Lucas number and a prime.
Mirror a Number
Create a mirror copy of a number.
Number Primality Test
Quickly check if the given number is a prime.
Convert Numbers to Words
Quickly spell cardinal and ordinal numbers using English words.
Numberwang Number Test
Test if the given number is numberwang.
Generate Odd Numbers
Quickly create a sequence of odd numbers.
Perturb Number Digits
Change the digits of the given numbers a little bit.
Perturb Numbers
Change the given numbers a little bit.
Pick a Number
Quickly choose one or more numbers from a list of numbers.
Generate Powers of Ten
Quickly generate a series of numbers in the form 10^n.
Generate Powers of Two
Quickly generate a series of numbers in the form 2^n.
Print Googol
Print the Googol/Google number, which is 10^100.
Printf Numbers
Apply sprintf or printf function to numbers.
Generate Random Matrices
Quickly create a matrix with random numbers as its elements.
Generate Random Numbers
Quickly create a list of random numbers.
Remove Decimal Point
Remove the decimal separator from a decimal number.
Repeat a Number
Repeat a number multiple times.
Replace Digits with Letters
Replace digits in a number with alphabet letters.
Reverse a Number
Reverse the order of digits of a number.
Rewrite Numbers
Given numbers and a grammar, recursively rewrite them.
Rotate a Number
Cyclically rotate digits of a number to the left or right.
Round a Number
Quickly round one or more numbers to the given accuracy.
Shuffle Digits in a Number
Quickly randomize the order of digits in a number.
Sort a List of Numbers
Quickly sort numbers in ascending or descending order.
Sort Digits in a Number
Quickly sort number's digits in ascending or descending order.
Split a Number into Digits
Create a list of digits from a number.
Test If a Number Is Abundant
Check if the given number is an abundant number.
Test If a Number Is Deficient
Check if the given number is a deficient number.
Test If a Number Is Perfect
Check if the given number is a perfect number.
Visualize a Floating Point Number
Show how a fp number is represented in a computer.
Convert Words to Numbers
Quickly convert spelled numbers to regular numbers.
Zero-pad a Number
Add zeros to a number.