NumDic.com
Number:
The number 243
Representation numerals
Greek numeral
σμγʹ
Arabic numeral
٢٤٣
Roman numeral
CCXLIII
Maya numeral
●●
▃▃▃▃▃
▃▃▃▃▃
●●●
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 = 18
2
- 9
2
= 42
2
- 39
2
= 122
2
- 121
2
Characteristics
Related primes
The 243th prime number is:
1543
Previous prime number:
241
— Next prime number:
251
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