1315
1315 is the year the Great Famine began in Europe.
- Odd
- Composite
Where 1315 fits
Why 1315 is special
Years of rain destroyed harvests across northern Europe and killed perhaps a tenth of the population. It arrived a generation before the Black Death, into a population already weakened.
Factors & digit properties
- Divisors (4)
- 1, 5, 263, 1315
- Prime factorisation
- 5 × 263
- Digit sum
- 10
- Digital root
- 1
Representations
- Decimal
- 1315
- Binary
- 10100100011
- Octal
- 2443
- Hexadecimal
- 523
- Roman numeral
- MCCCXV
- Scientific notation
- 1.315 × 10^3
Other mathematical patterns
- Deficient number
- Semiprime
Related numbers & connections
The Great Famine from 1315 killed perhaps a tenth of northern Europe, and the Black Death arrived thirty-three years later into a population that had not recovered.
View 1348 →Other connections
- developed from1348
why?
Strength 0.50, confidence "high".
History
Persistent rain from 1315 caused successive harvest failures and killed roughly a tenth of northern Europe. The Black Death arrived thirty years later into a population that had not fully recovered, which compounded both.
DocumentedHistoryGeography: Northern EuropePeriod: 1315–1317
Common questions
Is 1315 a prime number?
No, 1315 is not prime.
What are the factors of 1315?
The factors of 1315 are 1, 5, 263, 1315.
What is 1315 in Roman numerals?
1315 in Roman numerals is MCCCXV.
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