1325
1325 is the traditional founding year of Tenochtitlan.
- Odd
- Composite
Why 1325 is special
Built on an island in a lake, it grew to be one of the largest cities in the world, with causeways, aqueducts and floating agricultural plots. Mexico City is built directly on top of it and is still sinking into the drained lakebed.
Factors & digit properties
- Divisors (6)
- 1, 5, 25, 53, 265, 1325
- Prime factorisation
- 5^2 × 53
- Digit sum
- 11
- Digital root
- 2
Representations
- Decimal
- 1325
- Binary
- 10100101101
- Octal
- 2455
- Hexadecimal
- 52d
- Roman numeral
- MCCCXXV
- Scientific notation
- 1.325 × 10^3
Other mathematical patterns
- Deficient number
Geography
Tenochtitlan was founded on a lake island around 1325 and became one of the world's largest cities. Mexico City sits on the drained lakebed and subsides by centimetres each year as a result.
DocumentedGeographyGeography: MexicoPeriod: 1325
Common questions
Is 1325 a prime number?
No, 1325 is not prime.
What are the factors of 1325?
The factors of 1325 are 1, 5, 25, 53, 265, 1325.
What is 1325 in Roman numerals?
1325 in Roman numerals is MCCCXXV.
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