Number 198, ρϟηʹ

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