243 (number)

242 243 244
Cardinal two hundred forty-three
Ordinal 243rd
(two hundred and forty-third)
Factorization 35
Roman numeral CCXLIII
Binary 111100112
Ternary 1000003
Quaternary 33034
Quinary 14335
Senary 10436
Octal 3638
Duodecimal 18312
Hexadecimal F316
Vigesimal C320
Base 36 6R36

243 (two hundred [and] forty-three) is the natural number following 242 and preceding 244.

In mathematics

243 is:

In other fields

243 is:

References

  1. "Sloane's A082897 : Perfect totient numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-28.


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