160
E160 covers the carotenes.
- Even
- Composite
Where 160 fits
Why 160 is special
The same molecules give carrots their colour and are a precursor to vitamin A, which is why this additive is both a colour and a nutrient.
Factors & digit properties
- Divisors (12)
- 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160
- Prime factorisation
- 2^5 × 5
- Digit sum
- 7
- Digital root
- 7
Representations
- Decimal
- 160
- Binary
- 10100000
- Octal
- 240
- Hexadecimal
- a0
- Roman numeral
- CLX
- Scientific notation
- 1.600 × 10^2
Other mathematical patterns
- Abundant number
Related numbers & connections
Both are plant-derived colours, and one of them doubles as a vitamin A precursor.
View 140 →Other connections
- is associated with140
why?
Strength 0.50, confidence "high".
Everyday life
E160 designates carotenes and related compounds. Beta-carotene is converted to vitamin A in the body, so the additive functions as both colourant and nutrient source.
DocumentedEveryday lifeGeography: European Union and states adopting the E number systemPeriod: 1962–
Common questions
Is 160 a prime number?
No, 160 is not prime.
What are the factors of 160?
The factors of 160 are 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160.
What is 160 in Roman numerals?
160 in Roman numerals is CLX.
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