1204
1204 is the year crusaders sacked Constantinople.
- Even
- Composite
Where 1204 fits
Why 1204 is special
The Fourth Crusade never reached the Holy Land. It captured and looted the largest Christian city in the world instead, and the Byzantine empire never recovered its former strength.
Factors & digit properties
- Divisors (12)
- 1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204
- Prime factorisation
- 2^2 × 7 × 43
- Digit sum
- 7
- Digital root
- 7
Representations
- Decimal
- 1204
- Binary
- 10010110100
- Octal
- 2264
- Hexadecimal
- 4b4
- Roman numeral
- MCCIV
- Scientific notation
- 1.204 × 10^3
Other mathematical patterns
- Abundant number
- Harshad (Niven) number
Related numbers & connections
Constantinople was sacked by crusaders in 1204 and fell to the Ottomans in 1453. The city never recovered its strength after the first, which is a substantial part of why it could not resist the second.
View 1453 →Other connections
- contrasts with1453
why?
Strength 0.50, confidence "high".
History
The Fourth Crusade was diverted by debt and Venetian interests into sacking Constantinople, the capital of Eastern Christianity. The city's weakening from 1204 is a substantial part of why it fell to the Ottomans in 1453.
DocumentedHistoryGeography: ConstantinoplePeriod: 1204
Common questions
Is 1204 a prime number?
No, 1204 is not prime.
What are the factors of 1204?
The factors of 1204 are 1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204.
What is 1204 in Roman numerals?
1204 in Roman numerals is MCCIV.
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