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{{Random integer|min|max}} returns a (practically) uniformly random integer in the range from min (inclusive) to max (exclusive), assuming min, max, and max - min are integers with a magnitude not exceeding 16777216.
{{Random integer|max}} = {{Random integer|0|max}}
Any valid expression usable in an {{#expr:}} can also be used as an argument.

{{Random integer|4}} 0 3 0 0 0 2 1 3 3 0 0 0 0 0 0 0 1 2 0 3 1 3 1 3 1 0 3 2 3 2 2 1
{{Random integer|0|4}} 1 3 3 3 0 2 3 3 2 2 3 1 2 0 0 1 0 2 1 1 3 1 2 2 2 2 0 1 1 2 1 3
{{Random integer|10|100}} 94 78 87 64 82 28 73 80 33 29 62 38 81 78 31 49 34 82 77 44 59 32 56 39 90 44 22 49 56 80 40 47
{{Random integer|-2|2}} -1 -2 -1 0 1 -2 -1 -2 -1 1 -1 0 0 -2 -1 0 -2 0 -1 -1 -2 1 1 -2 -1 -2 -2 1 0 1 1 1
{{Random integer|(1+1)^(3*2)}} 2 58 45 16 0 17 41 6 18 45 61 25 57 21 52 6 53 24 22 26 2 24 0 21 19 46 52 36 54 61 53 47