Names of 18998
| Nominal | 18998 |
| Cardinal | eighteen thousand nine hundred ninety-eight |
| Ordinal | 18,998th |
| This number as US currency | eighteen thousand nine hundred ninety-eight dollars |
| Is 18998 an odd number? | 18998 is NOT an odd number |
| Is 18998 an even number? | 18998 is an even number |
| Is 18998 a palindrome? | 18998 is NOT a palindrome number |
| Is 18998 a triangle number? | 18998 is NOT a triangle number |
18998 in other Bases
| Base 2 (Binary) | 1001010001101102 |
| Base 3 (Ternary) | 2220011223 |
| Base 4 (Quaternary) | 102203124 |
| Base 5 (Quinary) | 11014435 |
| Base 6 (Senary) | 2235426 |
| Base 8 (Octal) | 450668 |
| Base 12 (Duodecimal) | ABB212 |
| Base 16 (Hexadecimal) | 4A3616 |
| Base 20 (Vigesimal) | 279I20 |
Primes and Factors tests for 18998
| Is 18998 a Prime Number? | 18998 is NOT a prime |
| Is 18998 a perfect number? | 18998 is NOT a perfect number |
| Is 18998 a Mersenne Prime? | 18998 is NOT a Mersenne prime |
| Is 18998 a Fermat Prime? | 18998 is NOT a Fermat prime |
| Is 18998 a Fibonacci Prime? | 18998 is NOT a Fibonacci prime |
| Is 18998 a Partition Prime? | 18998 is NOT a Partition prime |
| Is 18998 a Pell Prime? | 18998 is NOT a Pell prime |
| Prime Factors | Prime factors of 18998 |
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18998 in other Numerals
| 18998 in Roman Numeral | XVMMMCMXCVIII |
| 18998 in Chinese Numeral | 壹萬捌仟玖佰玖拾捌 |
| 18998 in Egyptian Numeral | 𓂭𓇃𓍪𓎎𓐁 |
| 18998 in Babylonian Numeral |    |
Roots and stuff for 18998
| Is 18998 a square number? | 18998 is NOT a square number |
| Is 18998 a cube number? | 18998 is NOT a cube number |
| Square root of the number 18998 | 137.83323256748 |
| Cube root of the number 18998 | 26.683080173085 |
Recreational math for 18998
| Number 18998 reversed | 89981 |
| Sum of the digits | 35 |
| No of digits | 5 |