1206
1206 is the year Genghis Khan united the Mongol tribes.
- Even
- Composite
Where 1206 fits
Why 1206 is special
Within a lifetime the empire ran from Korea to Hungary, the largest contiguous land empire in history. It also imposed a period of secure overland trade across Eurasia that moved goods, ideas and plague alike.
Factors & digit properties
- Divisors (12)
- 1, 2, 3, 6, 9, 18, 67, 134, 201, 402, 603, 1206
- Prime factorisation
- 2 × 3^2 × 67
- Digit sum
- 9
- Digital root
- 9
Representations
- Decimal
- 1206
- Binary
- 10010110110
- Octal
- 2266
- Hexadecimal
- 4b6
- Roman numeral
- MCCVI
- Scientific notation
- 1.206 × 10^3
Other mathematical patterns
- Abundant number
- Harshad (Niven) number
Related numbers & connections
The Mongol confederation formed in 1206 and took Baghdad in 1258. Fifty years separate a union of steppe tribes from the sack of the largest city in the Islamic world.
View 1258 →History
From 1206 the Mongol confederation expanded to cover most of Eurasia within decades. The resulting security along the trade routes moved silk, technology, administrative practice and eventually the Black Death in the same direction.
DocumentedHistoryGeography: Mongolia and EurasiaPeriod: 1206
Common questions
Is 1206 a prime number?
No, 1206 is not prime.
What are the factors of 1206?
The factors of 1206 are 1, 2, 3, 6, 9, 18, 67, 134, 201, 402, 603, 1206.
What is 1206 in Roman numerals?
1206 in Roman numerals is MCCVI.
About this page's data
Mathematical facts:computed directly from the number's value — nothing to source or verify externally.
Contextual records: 1 reviewer-confirmed record, sourced and reviewed before publication.
Last reviewed: 3 August 2026