Factorio Prototype DocsVersion 1.1.107

local one_thousand = -- 10^3
{
  type = "function-application",
  function_name = "exponentiate",
  arguments = {
    {
      type = "literal-number",
      literal_value = 10
    },
    {
      type = "literal-number",
      literal_value = 3
    }
}

-- or with the noise lib
local noise = require("noise")
local tne = noise.to_noise_expression

local twentyfive = tne(5)^tne(2) -- 5^2