1827
1827 is the year Ohm published his law relating voltage, current and resistance.
- Odd
- Composite
Where 1827 fits
Why 1827 is special
It was dismissed by his contemporaries as unscientific and he lost his teaching post. It is now one of the first things taught in any electrical course.
Factors & digit properties
- Divisors (12)
- 1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827
- Prime factorisation
- 3^2 × 7 × 29
- Digit sum
- 18
- Digital root
- 9
Representations
- Decimal
- 1827
- Binary
- 11100100011
- Octal
- 3443
- Hexadecimal
- 723
- Roman numeral
- MDCCCXXVII
- Scientific notation
- 1.827 × 10^3
Other mathematical patterns
- Deficient number
- Lucky number (mathematical sieve)
Related numbers & connections
Ohm published his law in 1827 to a hostile reception and Faraday demonstrated induction in 1831. Together they made electricity both measurable and generable.
View 1831 →Other connections
- developed from1831
why?
Strength 0.50, confidence "high".
Science
Ohm's 1827 paper was poorly received and cost him his position. The relationship it describes is now taught in the opening weeks of every electronics course, which is a large swing in fifty years.
DocumentedScienceGeography: GermanyPeriod: 1827
Common questions
Is 1827 a prime number?
No, 1827 is not prime.
What are the factors of 1827?
The factors of 1827 are 1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827.
What is 1827 in Roman numerals?
1827 in Roman numerals is MDCCCXXVII.
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