1490
1490 is roughly when the first modern globe was made.
- Even
- Composite
Where 1490 fits
Why 1490 is special
Martin Behaim's Erdapfel predates Columbus's return and shows no American continent, with open ocean between Europe and Asia. It is the clearest surviving record of what educated Europeans believed the world looked like immediately before 1492.
Factors & digit properties
- Divisors (8)
- 1, 2, 5, 10, 149, 298, 745, 1490
- Prime factorisation
- 2 × 5 × 149
- Digit sum
- 14
- Digital root
- 5
Representations
- Decimal
- 1490
- Binary
- 10111010010
- Octal
- 2722
- Hexadecimal
- 5d2
- Roman numeral
- MCDXC
- Scientific notation
- 1.490 × 10^3
Other mathematical patterns
- Deficient number
Related numbers & connections
The Behaim globe of about 1492 shows open ocean between Europe and Asia, recording exactly the geography Columbus sailed on.
View 1492 →Other connections
- is associated with1492
why?
Strength 0.50, confidence "high".
Geography
The Behaim globe shows Europe and Asia separated only by ocean. It survives as physical evidence of the geography Columbus was sailing on, and of how narrow the gap was thought to be.
DocumentedGeographyGeography: NurembergPeriod: around 1492
Common questions
Is 1490 a prime number?
No, 1490 is not prime.
What are the factors of 1490?
The factors of 1490 are 1, 2, 5, 10, 149, 298, 745, 1490.
What is 1490 in Roman numerals?
1490 in Roman numerals is MCDXC.
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