1515
1515 is the year Dürer made his woodcut of a rhinoceros he had never seen.
- Odd
- Composite
Why 1515 is special
He worked from a written description and a sketch. The result is anatomically wrong in specific ways and was reproduced in natural history books for over two centuries as accurate.
Factors & digit properties
- Divisors (8)
- 1, 3, 5, 15, 101, 303, 505, 1515
- Prime factorisation
- 3 × 5 × 101
- Digit sum
- 12
- Digital root
- 3
Representations
- Decimal
- 1515
- Binary
- 10111101011
- Octal
- 2753
- Hexadecimal
- 5eb
- Roman numeral
- MDXV
- Scientific notation
- 1.515 × 10^3
Other mathematical patterns
- Deficient number
Culture
Dürer's rhinoceros was drawn from a second-hand description and includes armour plating and a spurious horn. It appeared in scientific texts as the standard depiction until the late 1700s.
DocumentedCultureGeography: GermanyPeriod: 1515
Common questions
Is 1515 a prime number?
No, 1515 is not prime.
What are the factors of 1515?
The factors of 1515 are 1, 3, 5, 15, 101, 303, 505, 1515.
What is 1515 in Roman numerals?
1515 in Roman numerals is MDXV.
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