1493
1493 is the year the papal bull Inter caetera divided the New World.
- Odd
- Prime
Where 1493 fits
Why 1493 is special
It drew a line assigning lands west of it to Spain, which Portugal disputed and renegotiated at Tordesillas the following year. A pope partitioned two continents by decree.
1493 is part of
Factors & digit properties
- Divisors (2)
- 1, 1493
- Prime factorisation
- 1493
- Digit sum
- 17
- Digital root
- 8
Representations
- Decimal
- 1493
- Binary
- 10111010101
- Octal
- 2725
- Hexadecimal
- 5d5
- Roman numeral
- MCDXCIII
- Scientific notation
- 1.493 × 10^3
Other mathematical patterns
- Deficient number
Related numbers & connections
Inter caetera divided the New World by papal decree in 1493; Portugal disputed it and the line was renegotiated at Tordesillas the following year.
View 1494 →Other connections
- developed from1494
why?
Strength 0.50, confidence "high".
Law & regulation
Inter caetera in 1493 assigned newly encountered lands between Spain and Portugal on papal authority. Portugal's objection produced the Treaty of Tordesillas a year later.
DocumentedLaw & regulationGeography: Spain, Portugal and the AmericasPeriod: 1493
Common questions
Is 1493 a prime number?
Yes, 1493 is prime — it has exactly two positive divisors: 1 and itself.
What are the factors of 1493?
The factors of 1493 are 1, 1493.
What is 1493 in Roman numerals?
1493 in Roman numerals is MCDXCIII.
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