Names of 642998
| Nominal | 642998 |
| Cardinal | six hundred forty-two thousand nine hundred ninety-eight |
| Ordinal | 642,998th |
| This number as US currency | six hundred forty-two thousand nine hundred ninety-eight dollars |
| Is 642998 an odd number? | 642998 is NOT an odd number |
| Is 642998 an even number? | 642998 is an even number |
| Is 642998 a palindrome? | 642998 is NOT a palindrome number |
| Is 642998 a triangle number? | 642998 is NOT a triangle number |
642998 in other Bases
| Base 2 (Binary) | 100111001111101101102 |
| Base 3 (Ternary) | 10122000002023 |
| Base 4 (Quaternary) | 21303323124 |
| Base 5 (Quinary) | 1310334435 |
| Base 6 (Senary) | 214405026 |
| Base 8 (Octal) | 23476668 |
| Base 12 (Duodecimal) | 27013212 |
| Base 16 (Hexadecimal) | 9CFB616 |
| Base 20 (Vigesimal) | 4079I20 |
Primes and Factors tests for 642998
| Is 642998 a Prime Number? | 642998 is NOT a prime |
| Is 642998 a perfect number? | 642998 is NOT a perfect number |
| Is 642998 a Mersenne Prime? | 642998 is NOT a Mersenne prime |
| Is 642998 a Fermat Prime? | 642998 is NOT a Fermat prime |
| Is 642998 a Fibonacci Prime? | 642998 is NOT a Fibonacci prime |
| Is 642998 a Partition Prime? | 642998 is NOT a Partition prime |
| Is 642998 a Pell Prime? | 642998 is NOT a Pell prime |
| Prime Factors | Prime factors of 642998 |
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642998 in other Numerals
| 642998 in Roman Numeral | DCXLMMCMXCVIII |
| 642998 in Chinese Numeral | 陸拾萬肆萬貳仟玖佰玖拾捌 |
| 642998 in Egyptian Numeral | 𓆐𓆐𓆐𓆐𓆐𓆐𓂰𓆽𓍪𓎎𓐁 |
| 642998 in Babylonian Numeral |     |
Roots and stuff for 642998
| Is 642998 a square number? | 642998 is NOT a square number |
| Is 642998 a cube number? | 642998 is NOT a cube number |
| Square root of the number 642998 | 801.87156078764 |
| Cube root of the number 642998 | 86.311740432814 |
Recreational math for 642998
| Number 642998 reversed | 899246 |
| Sum of the digits | 38 |
| No of digits | 6 |