243 (number)
From HandWiki
Short description: Natural number
| ||||
---|---|---|---|---|
Cardinal | two hundred forty-three | |||
Ordinal | 243rd (two hundred forty-third) | |||
Factorization | 35 | |||
Greek numeral | ΣΜΓ´ | |||
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.
Additionally, 243 is:
- the only 3-digit number that is a fifth power (35).
- a perfect totient number.[1]
- the sum of five consecutive prime numbers (41 + 43 + 47 + 53 + 59).
- an 82-gonal number.
References
- ↑ "Sloane's A082897 : Perfect totient numbers". OEIS Foundation. https://oeis.org/A082897.
Original source: https://en.wikipedia.org/wiki/243 (number).
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