863
CWE-863 is incorrect authorisation.
- Odd
- Prime
Where 863 fits
Why 863 is special
The check runs and returns the wrong answer, which is harder to find than a missing check because the code plainly looks correct.
863 is part of
Factors & digit properties
- Divisors (2)
- 1, 863
- Prime factorisation
- 863
- Digit sum
- 17
- Digital root
- 8
Representations
- Decimal
- 863
- Binary
- 1101011111
- Octal
- 1537
- Hexadecimal
- 35f
- Roman numeral
- DCCCLXIII
- Scientific notation
- 8.630 × 10^2
Other mathematical patterns
- Deficient number
- Happy number
- Safe prime
Related numbers & connections
CWE-862 is no authorisation check and CWE-863 is a check that returns the wrong answer, which is harder to spot in review.
View 862 →Technology & computing
CWE-863 covers authorisation logic that performs a check but reaches an incorrect decision, distinguished from CWE-862, where no check is performed at all.
DocumentedTechnology & computingGeography: International — MITRE CWEPeriod: 2006–
Common questions
Is 863 a prime number?
Yes, 863 is prime — it has exactly two positive divisors: 1 and itself.
What are the factors of 863?
The factors of 863 are 1, 863.
What is 863 in Roman numerals?
863 in Roman numerals is DCCCLXIII.
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