2015
2015 is the year of the Paris Agreement.
- Odd
- Composite
Where 2015 fits
Why 2015 is special
Nearly every country agreed to limit warming to well below two degrees, with targets each set for itself and no enforcement mechanism. That design is why it achieved universal participation and why its sufficiency is disputed.
Factors & digit properties
- Divisors (8)
- 1, 5, 13, 31, 65, 155, 403, 2015
- Prime factorisation
- 5 × 13 × 31
- Digit sum
- 8
- Digital root
- 8
Representations
- Decimal
- 2015
- Binary
- 11111011111
- Octal
- 3737
- Hexadecimal
- 7df
- Roman numeral
- MMXV
- Scientific notation
- 2.015 × 10^3
Other mathematical patterns
- Deficient number
Related numbers & connections
The Paris Agreement of 2015 lets each state set its own targets and achieved universal participation; earlier binding approaches did not. Enforceability and participation traded against each other.
View 1997 →Law & regulation
Nearly every country signed the Paris Agreement, each setting its own targets with no enforcement mechanism. That design is precisely why participation is universal and why whether it is sufficient remains disputed.
DocumentedLaw & regulationGeography: International — parties to the agreementPeriod: 2015
Common questions
Is 2015 a prime number?
No, 2015 is not prime.
What are the factors of 2015?
The factors of 2015 are 1, 5, 13, 31, 65, 155, 403, 2015.
What is 2015 in Roman numerals?
2015 in Roman numerals is MMXV.
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