11,172
ISO/IEC 11172 is the MPEG-1 standard.
- Even
- Composite
Where 11,172 fits
Why 11,172 is special
Its audio layer III is the MP3, a format defined as part of a video specification and then used almost entirely without video.
Factors & digit properties
- Divisors (36)
- 1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 49, 57, 76, 84, 98, 114, 133, 147, 196, 228, 266, 294, 399, 532, 588, 798, 931, 1596, 1862, 2793, 3724, 5586, 11172
- Prime factorisation
- 2^2 × 3 × 7^2 × 19
- Digit sum
- 12
- Digital root
- 3
Representations
- Decimal
- 11172
- Binary
- 10101110100100
- Octal
- 25644
- Hexadecimal
- 2ba4
- Scientific notation
- 1.117 × 10^4
Other mathematical patterns
- Abundant number
- Harshad (Niven) number
Related numbers & connections
Lossy audio formats defined here are described by how far they reduce the CD's 1,411 kilobits per second.
View 1411 →Technology & computing
ISO/IEC 11172 defines MPEG-1 video and audio. Audio Layer III became known as MP3 and was adopted far more widely on its own than as part of the video system it was specified alongside.
DocumentedTechnology & computingGeography: International — ISO member bodiesPeriod: 1993–
Common questions
Is 11,172 a prime number?
No, 11,172 is not prime.
What are the factors of 11,172?
The factors of 11,172 are 1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 49, 57, 76, 84, 98, 114, 133, 147, 196, 228, 266, 294, 399, 532, 588, 798, 931, 1596, 1862, 2793, 3724, 5586, 11172.
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