3 Random Numbers between 1-21 | Number Generator

3 7 20

Generate random numbers
between and Lucky Lottery Number Generator

Combinatorics

Select 3 numbers from 1 to 21

Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 1,330
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 7,980