1880
1880 is the year Edison patented his incandescent lamp.
- Even
- Composite
Where 1880 fits
Why 1880 is special
The patent was contested for years, and Britain's Swan had demonstrated a working lamp earlier. The two eventually merged their companies rather than continue litigating.
1880 is part of
Factors & digit properties
- Divisors (16)
- 1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880
- Prime factorisation
- 2^3 × 5 × 47
- Digit sum
- 17
- Digital root
- 8
Representations
- Decimal
- 1880
- Binary
- 11101011000
- Octal
- 3530
- Hexadecimal
- 758
- Roman numeral
- MDCCCLXXX
- Scientific notation
- 1.880 × 10^3
Other mathematical patterns
- Abundant number
- Happy number
Related numbers & connections
Edison demonstrated a practical lamp in 1879 and patented it in 1880; Swan had demonstrated one in Britain earlier. The dispute ended in a merger rather than a judgement.
View 1879 →Other connections
- contrasts with1879
why?
Strength 0.50, confidence "high".
Technology & computing
Edison's 1880 patent was challenged by Joseph Swan, who had demonstrated a lamp in Britain earlier. Rather than litigate indefinitely the two formed a joint company, which is how the priority question was actually resolved.
DocumentedTechnology & computingPeriod: 1880
Common questions
Is 1880 a prime number?
No, 1880 is not prime.
What are the factors of 1880?
The factors of 1880 are 1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880.
What is 1880 in Roman numerals?
1880 in Roman numerals is MDCCCLXXX.
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