The number 198

Representation numerals

Greek numeral

ρϟηʹ

Arabic numeral

١٩٨

Roman numeral

CXCVIII

Maya numeral

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Chinese numeral

一百九十八

Hebrew numeral

קצח
Numeral systems
Binary: 11000110
Septimal (base 7): 402
Octal: 306
Hexadecimal: c6
Base 24: 86
Factorization
198 = 2 × 3 × 3 × 11
198 has 12 divisors: 1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198
Sum of all divisors other than 198: 270
Sums & differences
Goldbach conjecture: 198 = 193 + 5 = 191 + 7 = 181 + 17 = 179 + 19 = 167 + 31 = 157 + 41 = 151 + 47 = 139 + 59 = 137 + 61 = 131 + 67 = . . . (only the first 10 pairs are shown)
Characteristics
Related primes
The 198th prime number is: 1213
Previous prime number: 197 — Next prime number: 199

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