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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}} 1 1 1 1 3 1 0 2 1 1 1 2 1 0 2 3 2 2 3 3 2 2 3 1 1 3 2 2 0 3 1 2
{{Random integer|0|4}} 0 1 0 2 2 2 1 3 1 0 0 0 3 0 1 3 0 0 2 2 0 2 0 0 0 2 0 1 2 2 3 1
{{Random integer|10|100}} 42 12 78 37 13 91 83 16 13 59 20 92 42 96 42 77 59 39 28 16 75 61 17 56 32 34 45 51 55 10 47 40
{{Random integer|-2|2}} 1 -2 -1 0 0 -1 0 1 -2 -1 -2 0 1 0 -2 1 1 0 1 0 0 1 -2 1 -2 1 1 0 -1 1 1 -2
{{Random integer|(1+1)^(3*2)}} 50 56 42 22 31 32 0 38 45 32 56 48 19 14 63 29 58 13 4 36 11 7 48 7 25 26 38 55 6 60 59 23