1992
1992 is the year the first SMS text message was sent.
- Even
- Composite
Where 1992 fits
Why 1992 is special
It read 'Merry Christmas' and was typed on a computer because phones had no keyboards. The 160-character limit came from an engineer's estimate that most messages would fit, based on postcards and telex.
1992 is part of
Factors & digit properties
- Divisors (16)
- 1, 2, 3, 4, 6, 8, 12, 24, 83, 166, 249, 332, 498, 664, 996, 1992
- Prime factorisation
- 2^3 × 3 × 83
- Digit sum
- 21
- Digital root
- 3
Representations
- Decimal
- 1992
- Binary
- 11111001000
- Octal
- 3710
- Hexadecimal
- 7c8
- Roman numeral
- MCMXCII
- Scientific notation
- 1.992 × 10^3
Other mathematical patterns
- Abundant number
- Happy number
Related numbers & connections
The first SMS was sent in 1992 and the web became publicly usable in 1993. Two communication technologies that arrived within a year and converged only fifteen years later on the smartphone.
View 1993 →Technology & computing
The SMS length limit came from Friedhelm Hillebrand judging that most short messages fit in about 160 characters, checked against postcards and telex traffic. A guess about typical human phrasing became a global constraint on how people wrote for two decades.
DocumentedTechnology & computingPeriod: 1992
Common questions
Is 1992 a prime number?
No, 1992 is not prime.
What are the factors of 1992?
The factors of 1992 are 1, 2, 3, 4, 6, 8, 12, 24, 83, 166, 249, 332, 498, 664, 996, 1992.
What is 1992 in Roman numerals?
1992 in Roman numerals is MCMXCII.
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