The number 168

Representation numerals

Greek numeral

ρξηʹ

Arabic numeral

١٦٨

Roman numeral

CLXVIII

Maya numeral

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Chinese numeral

一百六十八

Hebrew numeral

קסח
Numeral systems
Binary: 10101000
Septimal (base 7): 330
Octal: 250
Hexadecimal: a8
Base 24: 70
Factorization
168 = 2 × 2 × 2 × 3 × 7
168 has 16 divisors: 1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168
Sum of all divisors other than 168: 312
Sums & differences
Difference of 2 squares: 168 = 172 - 112 = 232 - 192 = 432 - 412
Goldbach conjecture: 168 = 163 + 5 = 157 + 11 = 151 + 17 = 149 + 19 = 139 + 29 = 137 + 31 = 131 + 37 = 127 + 41 = 109 + 59 = 107 + 61 = . . . (only the first 10 pairs are shown)
Characteristics
Related primes
The 168th prime number is: 997
Previous prime number: 167 — Next prime number: 173
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