The number 68

Representation numerals

Greek numeral

ξηʹ

Arabic numeral

٦٨

Roman numeral

LXVIII

Maya numeral

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Chinese numeral

六十八

Hebrew numeral

סח
Numeral systems
Binary: 1000100
Septimal (base 7): 125
Octal: 104
Hexadecimal: 44
Base 24: 2K
Factorization
68 = 2 × 2 × 17
68 has 6 divisors: 1, 2, 4, 17, 34, 68
Sum of all divisors other than 68: 58
Sums & differences
Sum of 2 squares: 68 = 82 + 22
Difference of 2 squares: 68 = 182 - 162
Goldbach conjecture: 68 = 61 + 7 = 37 + 31
Characteristics
Related primes
The 68th prime number is: 337
Previous prime number: 67 — Next prime number: 71
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