The 38 (number) reference article from the English Wikipedia on 24-Jul-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

38 (number)

38 is the natural number following 37 and preceding 39.

List of numbers — Integers << 30 31 32 33 34 35 36 37 38 39 >>
Cardinal	thirty-eight
Ordinal	38th (thirty-eighth)
Factorization
Roman numeral	XXXVIII
Binary	100110
Hexadecimal	26

38! - 1 yields 523022617466601111760007224100074291199999999, which is a factorial prime.

There is no answer to the equation &phi(x) = 38, making 38 a nontotient.

Thirty-eight is also:

• The atomic number of strontium.
• The number of slots on an American Roulette wheel.
• The year A.D. 38, 38 BC, or 1938.

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