Names of 66998
| Nominal | 66998 |
| Cardinal | sixty-six thousand nine hundred ninety-eight |
| Ordinal | 66,998th |
| This number as US currency | sixty-six thousand nine hundred ninety-eight dollars |
| Is 66998 an odd number? | 66998 is NOT an odd number |
| Is 66998 an even number? | 66998 is an even number |
| Is 66998 a palindrome? | 66998 is NOT a palindrome number |
| Is 66998 a triangle number? | 66998 is NOT a triangle number |
66998 in other Bases
| Base 2 (Binary) | 100000101101101102 |
| Base 3 (Ternary) | 101012201023 |
| Base 4 (Quaternary) | 1001123124 |
| Base 5 (Quinary) | 41204435 |
| Base 6 (Senary) | 12341026 |
| Base 8 (Octal) | 2026668 |
| Base 12 (Duodecimal) | 3293212 |
| Base 16 (Hexadecimal) | 105B616 |
| Base 20 (Vigesimal) | 879I20 |
Primes and Factors tests for 66998
| Is 66998 a Prime Number? | 66998 is NOT a prime |
| Is 66998 a perfect number? | 66998 is NOT a perfect number |
| Is 66998 a Mersenne Prime? | 66998 is NOT a Mersenne prime |
| Is 66998 a Fermat Prime? | 66998 is NOT a Fermat prime |
| Is 66998 a Fibonacci Prime? | 66998 is NOT a Fibonacci prime |
| Is 66998 a Partition Prime? | 66998 is NOT a Partition prime |
| Is 66998 a Pell Prime? | 66998 is NOT a Pell prime |
| Prime Factors | Prime factors of 66998 |
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66998 in other Numerals
| 66998 in Roman Numeral | LXVMCMXCVIII |
| 66998 in Chinese Numeral | 陸萬陸仟玖佰玖拾捌 |
| 66998 in Egyptian Numeral | 𓂲𓇁𓍪𓎎𓐁 |
| 66998 in Babylonian Numeral |    |
Roots and stuff for 66998
| Is 66998 a square number? | 66998 is NOT a square number |
| Is 66998 a cube number? | 66998 is NOT a cube number |
| Square root of the number 66998 | 258.83971874502 |
| Cube root of the number 66998 | 40.615076866296 |
Recreational math for 66998
| Number 66998 reversed | 89966 |
| Sum of the digits | 38 |
| No of digits | 5 |