529
529 is the year Justinian closed the Academy in Athens and issued his legal code.
Where 529 fits
Why 529 is special
The Academy had operated for roughly nine centuries. The Corpus Juris Civilis compiled centuries of Roman law and is the foundation of most European legal systems.
529 is part of
Factors & digit properties
- Divisors (3)
- 1, 23, 529
- Prime factorisation
- 23^2
- Digit sum
- 16
- Digital root
- 7
Representations
- Decimal
- 529
- Binary
- 1000010001
- Octal
- 1021
- Hexadecimal
- 211
- Roman numeral
- DXXIX
- Scientific notation
- 5.290 × 10^2
Other mathematical patterns
- Deficient number
- Powerful number
- Semiprime
- Lucky number (mathematical sieve)
Law & regulation
Justinian's compilation from 529 organised a thousand years of Roman law into a usable body. Rediscovered in the eleventh century, it became the basis of civil law across continental Europe.
DocumentedLaw & regulationGeography: Byzantine EmpirePeriod: 529
Common questions
Is 529 a prime number?
No, 529 is not prime.
What are the factors of 529?
The factors of 529 are 1, 23, 529.
What is 529 in Roman numerals?
529 in Roman numerals is DXXIX.
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