The best replacement for numerals is numbers.

The best alternatives to numerals are rated as following:
★★★★★  numbers
★★  arabic
★  write out numbers
★  roman numerals
★  arabic numerals
★  to spell out numbers
★  spelling out numbers
★  written numbers
★  arabic numbers
★  spelled out numbers
  spell out
  greek numerals
  spelled out
  white numerals
  regular numbers
  spelling out
  roman

Your alternative for numerals is not listed? Suggest!
Speaking about numerals, one probably shouldn't forget about ionic compounds.

Other search terms related to numerals and their ratings are:
★★★★★ ionic compounds
★★★★★ an m
You have in mind a companion for numerals and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of numerals in all years. Click on graph for more.
numerals
numbers
arabic