[Tellurian]

NXIVM...
N (in)
XIVM (10, 1, 5, 1000)

N was used for 90 (Latin: Nonaginta = 90) by some middle age scribes, for what its worth.

[Melian]

Re N was used for 90:

I didn’t know that! Always amazed at the knowledge on FR! Thank you.

So 90 10 1 5 1000 would be 1104 in Roman numerals? Or 896?