198
Everything about the number 198 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
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Names of 198
| Nominal | 198 |
| Cardinal | one hundred ninety-eight |
| Ordinal | 198th |
| This number as US currency | one hundred ninety-eight dollars |
Properties (and some facts) of 198
| Is 198 an odd number? | 198 is not an odd number |
| Is 198 an even number? | 198 is an even number |
| Is 198 a palindrome? | 198 is not a palindrome |
| Is 198 a triangle number? | 198 is not a triangle number |
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198 in other bases
| Base 2 (Binary) | 11000110 |
| Base 3 (Ternary) | 21100 |
| Base 4 (Quaternary) | 3012 |
| Base 5 (Quinary) | 1243 |
| Base 6 (Senary) | 530 |
| Base 8 (Octal) | 306 |
| Base 12 (Duodecimal) | 146 |
| Base 16 (Hexadecimal) | C6 |
| Base 20 (Vigesimal) | 9I |
Primes and factors tests for 198
| Is 198 a prime number? | 198 is not a prime number |
| Is 198 a perfect number? | 198 is not a perfect number |
| Is 198 a Mersenne prime? | 198 is not a Mersenne prime |
| Is 198 a Fermat prime? | 198 is not a Fermat prime |
| Is 198 a Fibonacci prime? | 198 is not a Fibonacci prime |
| Is 198 a partition prime? | 198 is not a partition prime |
| Is 198 a Pell prime? | 198 is not a Pell prime |
| Prime Factors | Prime factors of 198 |
198 in other numeral systems
| 198 in Roman numerals | CXCVIII |
| 198 in Chinese numerals | 壹佰玖拾捌 |
| 198 in Babylonian numerals |   |
| 198 in Egyptian numerals | 𓍢𓎎𓐁 |
Roots and squares for 198
| Is 198 a square number? | 198 is not a square number |
| Is 198 a cube number? | 198 is not a cube number |
| Square root of 198 | 14.07124727947 |
| Cube root of 198 | 5.8284766832515 |
Recreational math for 198
| Number 198 reversed | 891 |
| Sum of the digits | 18 |
| Number of digits | 3 |
Arithmetic tables for 198
Other pages about 198
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