About Random Number Generator 120
Random Number Generator 120 is an online tool to quickly generate a random number between 1
and 20 or a list, set or sequence of random numbers from 1 to 20
.
Information  Value 

Lowest number  1 
Highest number  20 
Number of unique combinations  20 
How is a random number generated?
A random number from 1 to 20 is generated by using the Javascript method called Math.random() which is a pseudorandom number.
Each number between 1 and 20 will be separate random generated using this function.
How can I generate a random number between 1 and 20?
You can generate a list or sequence of random numbers from 1 to 20 in these steps:

Select the number generator settings (by default one random number between 1 and 20)
 Enter the minimum number within the range of a list which is by default 1. The random
number(s) will
never be lower then this number.
 Enter the maximum number within the range of a list which is by default 20. The random
number(s)
will never be higher then this number.
 Select amount of numbers in a list (by default the tool will generate one random number
 Select the amount of number sequences (by default the tool will generate one sequence of numbers
with the select amount of numbers.
 Enter the number exclusions. You can exclude any number which is between the number range that you
entered. Number outside the range will be not taking into account. Each number should by separated
by a comma (without a space). You can exclude maximal the amount possible combinations minus one.
 Select if you want unique numbers with no repeats in one sequence (by default it can generate
duplicate numbers in a list of numbers)
 Select how you want to sort the list of random numbers (by default random). You can choose if you
want to sort it from lowest to highest number, highest to lowest number or random.
 Select how you want to output the list of random numbers (by default each number split by a space).
You can choose if you
want to output the list of number with a space, comma with space, comma without space or pipe.
 Click the button: Generate random numbers
 Copy your list of random numbers or generate new random numbers between 1 and 20