The number 243

Representation numerals

Greek numeral

σμγʹ

Arabic numeral

٢٤٣

Roman numeral

CCXLIII

Maya numeral

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Chinese numeral

二百四十三

Hebrew numeral

רמג
Numeral systems
Binary: 11110011
Septimal (base 7): 465
Octal: 363
Hexadecimal: f3
Base 24: A3
Factorization
243 = 3 × 3 × 3 × 3 × 3
243 has 6 divisors: 1, 3, 9, 27, 81, 243
Sum of all divisors other than 243: 121
243 = 3 5
Sums & differences
Difference of 2 squares: 243 = 182 - 92 = 422 - 392 = 1222 - 1212
Characteristics
Related primes
The 243th prime number is: 1543
Previous prime number: 241 — Next prime number: 251

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