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Combinatorics
Here are some more Predefined Number Generators
These Number Generators lets you generate many types of different numbers, randomly or in sequence.- Random number 1 - 10 - quickly generate a random number between 1 and 10
- Random number 1 - 100 - quickly generate a random number between 1 and 100
- 100 Random numbers - generate a 100 random numbers between 1 and 1000
- Random Number Picker - lets you quickly pick 5 random lottery numbers
- Number list randomizer - randomize your own list of numbers. You can decide whether order matters and whether replacement is allowed
- RNG Combinations - Advanced - Looking for more numbers for research or other purposes? generate multiple sets of random numbers and customize them in various ways; multiple quick picks or lines, csv to generate comma-separated lists, decide if the numbers are unique, or whether the order of numbers in each set matters or not.
- Hex Code Generator - lets you generate random hexadecimal numbers and also shows html color
- HTML color codes - generate random html color combinations and pick the best
- Binary number generator - in case you need random binary numbers of any length
- Random integers - need negative numbers as well? Generate negative/positive random integers
- Lists of random numbers - generate large lists of random numbers unique (without replacement) or repeating (with replacement)
- Lists of numbers - generate large lists of numbers in sequence so you don't have to type them manually
- Random phone numbers - in case you need to pick a random 7 or 10 digit phone number
- Pin codes - generate random pin codes
- Credit card numbers - hmm.. wonder why you need this, perhaps for testing? Most credit card numbers are 16 digits, and this lets you generate 16 random digits.
- Number converter - Try number converter to convert from hex to rgb, decimal to binary and more
- Permutations and Combinations
- Random permutations and combinations of a range of numbers. Use these for research, lotteries, etc.
- ALL possible combinations of length N of a given range of numbers. Use this to generate all possible combinations (even millions of them)
- ALL possible combinations of length R from a list of N items (n Choose r or nCr). Use this to generate all possible combinations of a list of items.
- ALL possible permutations of length N of a given range of numbers. Use this to generate all possible permutations (even millions of them). Permutations are combinations in which order of the items matters such that 1,2,3 is not same as 1,3,2.
- ALL possible permutations (combinations where order of the items matters) of length R from a list of N items (nPr). Use this to generate all possible permutations of a list of items.
Random Numbers
Random Numbers Combination Generator Number Generator 1-10 Number Generator 1-100 Number Generator 4-digit Number Generator 6-digit Number List Randomizer Popular Random Number GeneratorsGames
Lotto Number Generator Lottery Numbers - Quick Picks Lottery Number Scrambler UK49 Lucky Pick Odds of Winning Flip a Coin Roll a Die Roll a D20Number Converters
Number Converter Hex Converter Decimal Converter Binary Converter RGB Converter Octal Converter
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