38 may refer to:
*
38 (number)
38 (thirty-eight) is the natural number following 37 and preceding 39.
In mathematics
*38! − 1 yields which is the 16th factorial prime.
*There is no answer to the equation φ(''x'') = 38, making 38 a nontotient.
*38 is the sum of the squar ...
, the natural number following 37 and preceding 39
*one of the years
38 BC
__NOTOC__
Year 38 BC was either a common year starting on Sunday or Monday or a leap year starting on Saturday, Sunday or Monday (link will display the full calendar) of the Julian calendar (the sources differ, see leap year error for further in ...
,
AD 38,
1938
Events
January
* January 1
** The Constitution of Estonia#Third Constitution (de facto 1938–1940, de jure 1938–1992), new constitution of Estonia enters into force, which many consider to be the ending of the Era of Silence and the a ...
,
2038
The 2030s (pronounced "twenty-thirties"; shortened to the '30s) is the next decade in the Gregorian calendar that will begin on 1 January 2030, and will end on 31 December 2039.
Plans and goals
* NASA plans to execute a crewed mission to Mars be ...
*
.38
.38 caliber is a frequently used name for the caliber of firearm
A firearm is any type of gun designed to be readily carried and used by an individual. The term is legally defined further in different countries (see Legal definitions).
Th ...
, a caliber of firearms and cartridges
**
.38 Special
The .38 Special, also commonly known as .38 S&W Special (not to be confused with .38 S&W), .38 Smith & Wesson Special, .38 Spl, .38 Spc, (pronounced "thirty-eight special"), or 9x29mmR is a rimmed, centerfire cartridge designed by Smith & ...
, a revolver cartridge
*''
Thirty-Eight: The Hurricane That Transformed New England'', a 2016 book by Stephen Long
*"Thirty Eight", a song by Karma to Burn from the album ''
Almost Heathen
''Almost Heathen'' is the third studio album by the stoner rock band Karma to Burn, released in 2001 via Spitfire Records. It was the last album released before their seven-year disbandment in 2002. The album was reissued in 2022 by Heavy Psych Sou ...
'', 2001
{{Numberdis