1263
UN 1263 covers paint and related material.
- Odd
- Composite
Where 1263 fits
Why 1263 is special
One number spans thousands of formulations, because the regulation classifies by flammability and packing group rather than by product.
Factors & digit properties
- Divisors (4)
- 1, 3, 421, 1263
- Prime factorisation
- 3 × 421
- Digit sum
- 12
- Digital root
- 3
Representations
- Decimal
- 1263
- Binary
- 10011101111
- Octal
- 2357
- Hexadecimal
- 4ef
- Roman numeral
- MCCLXIII
- Scientific notation
- 1.263 × 10^3
Other mathematical patterns
- Deficient number
- Semiprime
- Lucky number (mathematical sieve)
Related numbers & connections
Acetone and paint are both flammable liquids sold openly at retail and regulated in bulk transport.
View 1090 →Flammable liquids are grouped by flash point and boiling point rather than by what the product is for.
View 1203 →Technology & computing
UN 1263 identifies paint, lacquer, enamel, thinning and removing compounds as flammable liquids, assigned to packing groups by flash point and boiling point.
DocumentedTechnology & computingGeography: International — UN model regulationsPeriod: 1956–
Common questions
Is 1263 a prime number?
No, 1263 is not prime.
What are the factors of 1263?
The factors of 1263 are 1, 3, 421, 1263.
What is 1263 in Roman numerals?
1263 in Roman numerals is MCCLXIII.
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