9798
ISO/IEC 9798 specifies entity authentication mechanisms.
- Even
- Composite
Where 9798 fits
Why 9798 is special
Several of its early mechanisms were found vulnerable to reflection and interleaving attacks and had to be corrected, which is unusual for a published standard.
Factors & digit properties
- Divisors (16)
- 1, 2, 3, 6, 23, 46, 69, 71, 138, 142, 213, 426, 1633, 3266, 4899, 9798
- Prime factorisation
- 2 × 3 × 23 × 71
- Digit sum
- 33
- Digital root
- 6
Representations
- Decimal
- 9798
- Binary
- 10011001000110
- Octal
- 23106
- Hexadecimal
- 2646
- Scientific notation
- 9.798 × 10^3
Other mathematical patterns
- Abundant number
Related numbers & connections
Entity authentication mechanisms are the standardised answer to the weakness class of improper authentication.
View 287 →Other connections
- is associated with287
why?
Strength 0.50, confidence "high".
Technology & computing
ISO/IEC 9798 specifies entity authentication mechanisms. Formal analysis identified weaknesses in several published mechanisms, leading to corrections in later revisions.
DocumentedTechnology & computingGeography: International — ISO member bodiesPeriod: 1991–
Common questions
Is 9798 a prime number?
No, 9798 is not prime.
What are the factors of 9798?
The factors of 9798 are 1, 2, 3, 6, 23, 46, 69, 71, 138, 142, 213, 426, 1633, 3266, 4899, 9798.
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