What number does M stand for in Roman numerals?
Answer1,000
In Roman numerals M is 1,000; D is 500, C is 100 and L is 50.
Language · Facts & stats
M facts & stats
7 fact-checked facts about the letter M, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
Lowercase m is the SI symbol for which unit?
AnswerMetre
m is the metre; the minute is min and the mole is mol.
Going deeper
As an SI prefix, what does capital M (mega) mean?
AnswerOne million (10⁶)
Mega means a factor of one million, as in megawatt; lowercase m (milli) means one thousandth.
The letter M comes from a Phoenician letter, mem, believed to represent what?
AnswerWater
Phoenician mem is thought to picture waves of water; aleph was an ox and beth a house.
What number does the Roman numeral MM represent?
Answer2,000
Each M is 1,000, so MM is 2,000.
Expert level
In Messier's catalog of deep-sky objects, the Andromeda Galaxy is known as what?
AnswerM31
Andromeda is M31; M1 is the Crab Nebula, M42 the Orion Nebula and M45 the Pleiades.
What year does the Roman numeral MCMXC represent?
Answer1990
M = 1000, CM = 900 and XC = 90, which add up to 1990.
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