1017
UN 1017 is chlorine.
- Odd
- Composite
Where 1017 fits
Why 1017 is special
It was used as a weapon in the First World War and is used to make drinking water safe, and the transport regulations treat it as the hazard it is in both cases.
Factors & digit properties
- Divisors (6)
- 1, 3, 9, 113, 339, 1017
- Prime factorisation
- 3^2 × 113
- Digit sum
- 9
- Digital root
- 9
Representations
- Decimal
- 1017
- Binary
- 1111111001
- Octal
- 1771
- Hexadecimal
- 3f9
- Roman numeral
- MXVII
- Scientific notation
- 1.017 × 10^3
Other mathematical patterns
- Deficient number
- Harshad (Niven) number
Related numbers & connections
Ammonia and chlorine are both toxic gases in everyday industrial use, and both are transported under strict pressurised conditions.
View 1005 →Other connections
- contrasts with1005
why?
Strength 0.50, confidence "high".
Technology & computing
UN 1017 identifies chlorine, classified as a toxic gas that is also oxidising and corrosive. It is transported in pressurised containers under strict conditions.
DocumentedTechnology & computingGeography: International — UN model regulationsPeriod: 1956–
Common questions
Is 1017 a prime number?
No, 1017 is not prime.
What are the factors of 1017?
The factors of 1017 are 1, 3, 9, 113, 339, 1017.
What is 1017 in Roman numerals?
1017 in Roman numerals is MXVII.
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