998
Everything about the number 998 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
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Names of 998
| Nominal | 998 |
| Cardinal | nine hundred ninety-eight |
| Ordinal | 998th |
| This number as US currency | nine hundred ninety-eight dollars |
Properties (and some facts) of 998
| Is 998 an odd number? | 998 is not an odd number |
| Is 998 an even number? | 998 is an even number |
| Is 998 a palindrome? | 998 is not a palindrome |
| Is 998 a triangle number? | 998 is not a triangle number |
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998 in other bases
| Base 2 (Binary) | 1111100110 |
| Base 3 (Ternary) | 1100222 |
| Base 4 (Quaternary) | 33212 |
| Base 5 (Quinary) | 12443 |
| Base 6 (Senary) | 4342 |
| Base 8 (Octal) | 1746 |
| Base 12 (Duodecimal) | 6B2 |
| Base 16 (Hexadecimal) | 3E6 |
| Base 20 (Vigesimal) | 29I |
Primes and factors tests for 998
| Is 998 a prime number? | 998 is not a prime number |
| Is 998 a perfect number? | 998 is not a perfect number |
| Is 998 a Mersenne prime? | 998 is not a Mersenne prime |
| Is 998 a Fermat prime? | 998 is not a Fermat prime |
| Is 998 a Fibonacci prime? | 998 is not a Fibonacci prime |
| Is 998 a partition prime? | 998 is not a partition prime |
| Is 998 a Pell prime? | 998 is not a Pell prime |
| Prime Factors | Prime factors of 998 |
998 in other numeral systems
| 998 in Roman numerals | CMXCVIII |
| 998 in Chinese numerals | 玖佰玖拾捌 |
| 998 in Babylonian numerals |   |
| 998 in Egyptian numerals | 𓍪𓎎𓐁 |
Roots and squares for 998
| Is 998 a square number? | 998 is not a square number |
| Is 998 a cube number? | 998 is not a cube number |
| Square root of 998 | 31.591137997863 |
| Cube root of 998 | 9.993328883944 |
Recreational math for 998
| Number 998 reversed | 899 |
| Sum of the digits | 26 |
| Number of digits | 3 |
Arithmetic tables for 998
Other pages about 998
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