Names of 42009
| Nominal | 42009 |
| Cardinal | forty-two thousand nine |
| Ordinal | 42,009th |
| This number as US currency | forty-two thousand nine dollars |
| Is 42009 an odd number? | 42009 is an odd number |
| Is 42009 an even number? | 42009 is NOT an even number |
| Is 42009 a palindrome? | 42009 is NOT a palindrome number |
| Is 42009 a triangle number? | 42009 is NOT a triangle number |
42009 in other Bases
| Base 2 (Binary) | 10100100000110012 |
| Base 3 (Ternary) | 20101212203 |
| Base 4 (Quaternary) | 221001214 |
| Base 5 (Quinary) | 23210145 |
| Base 6 (Senary) | 5222536 |
| Base 8 (Octal) | 1220318 |
| Base 12 (Duodecimal) | 2038912 |
| Base 16 (Hexadecimal) | A41916 |
| Base 20 (Vigesimal) | 550920 |
Primes and Factors tests for 42009
| Is 42009 a Prime Number? | 42009 is NOT a prime |
| Is 42009 a perfect number? | 42009 is NOT a perfect number |
| Is 42009 a Mersenne Prime? | 42009 is NOT a Mersenne prime |
| Is 42009 a Fermat Prime? | 42009 is NOT a Fermat prime |
| Is 42009 a Fibonacci Prime? | 42009 is NOT a Fibonacci prime |
| Is 42009 a Partition Prime? | 42009 is NOT a Partition prime |
| Is 42009 a Pell Prime? | 42009 is NOT a Pell prime |
| Prime Factors | Prime factors of 42009 |
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42009 in other Numerals
| 42009 in Roman Numeral | XLMMIX |
| 42009 in Chinese Numeral | 肆萬貳仟玖 |
| 42009 in Egyptian Numeral | 𓂰𓆽𓐂 |
| 42009 in Babylonian Numeral |    |
Roots and stuff for 42009
| Is 42009 a square number? | 42009 is NOT a square number |
| Is 42009 a cube number? | 42009 is NOT a cube number |
| Square root of the number 42009 | 204.96097189465 |
| Cube root of the number 42009 | 34.762749147712 |
Recreational math for 42009
| Number 42009 reversed | 90024 |
| Sum of the digits | 15 |
| No of digits | 5 |