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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}} 3 1 3 3 2 0 0 1 1 2 3 0 0 0 1 0 2 0 1 1 2 0 0 0 3 0 3 1 3 3 3 2
{{Random integer|0|4}} 3 1 2 2 0 1 1 1 3 0 3 1 2 1 0 0 3 3 1 2 0 2 1 3 2 1 3 1 1 3 2 2
{{Random integer|10|100}} 90 80 10 71 68 39 82 59 41 42 44 94 68 23 37 29 15 22 69 50 67 51 93 13 34 87 76 92 49 12 51 21
{{Random integer|-2|2}} -2 -2 1 -2 1 0 1 0 1 -2 0 -2 -1 -2 -1 -1 -2 -2 1 -1 -1 1 -2 0 0 -1 -1 -2 1 1 -1 0
{{Random integer|(1+1)^(3*2)}} 41 11 47 16 60 13 18 49 44 21 24 11 37 15 54 49 21 60 35 42 10 40 3 42 15 49 28 5 10 16 26 14