1378
1378 is the year the Western Schism began.
- Even
- Composite
Where 1378 fits
Why 1378 is special
Two and eventually three men simultaneously claimed to be pope, each with national backing. It lasted thirty-nine years and did more damage to papal authority than any external opponent had.
1378 is part of
Factors & digit properties
- Divisors (8)
- 1, 2, 13, 26, 53, 106, 689, 1378
- Prime factorisation
- 2 × 13 × 53
- Digit sum
- 19
- Digital root
- 1
Representations
- Decimal
- 1378
- Binary
- 10101100010
- Octal
- 2542
- Hexadecimal
- 562
- Roman numeral
- MCCCLXXVIII
- Scientific notation
- 1.378 × 10^3
Other mathematical patterns
- Triangular number
- Deficient number
Related numbers & connections
The Western Schism began in 1378 with two claimants; the Council of Pisa in 1409 tried to resolve it and produced a third.
View 1409 →Other connections
- developed from1409
why?
Strength 0.50, confidence "high".
Religion & belief
The Western Schism produced rival popes in Rome and Avignon, later three at once, each recognised by different kingdoms. Resolving it required a church council to depose all claimants, which set a precedent about where authority ultimately sat.
DocumentedReligion & beliefGeography: Western EuropePeriod: 1378–1417
Common questions
Is 1378 a prime number?
No, 1378 is not prime.
What are the factors of 1378?
The factors of 1378 are 1, 2, 13, 26, 53, 106, 689, 1378.
What is 1378 in Roman numerals?
1378 in Roman numerals is MCCCLXXVIII.
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