42009
Everything about the number 42009 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
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Names of 42009
| Nominal | 42009 |
| Cardinal | forty-two thousand nine |
| Ordinal | 42,009th |
| This number as US currency | forty-two thousand nine dollars |
Properties (and some facts) of 42009
| 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 |
| Is 42009 a triangle number? | 42009 is not a triangle number |
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42009 in other bases
| Base 2 (Binary) | 1010010000011001 |
| Base 3 (Ternary) | 2010121220 |
| Base 4 (Quaternary) | 22100121 |
| Base 5 (Quinary) | 2321014 |
| Base 6 (Senary) | 522253 |
| Base 8 (Octal) | 122031 |
| Base 12 (Duodecimal) | 20389 |
| Base 16 (Hexadecimal) | A419 |
| Base 20 (Vigesimal) | 5509 |
Primes and factors tests for 42009
| Is 42009 a prime number? | 42009 is not a prime number |
| 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 |
42009 in other numeral systems
| 42009 in Roman numerals | XLMMIX |
| 42009 in Chinese numerals | 肆萬貳仟玖 |
| 42009 in Babylonian numerals |    |
| 42009 in Egyptian numerals | 𓂰𓆽𓐂 |
Roots and squares 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 42009 | 204.96097189465 |
| Cube root of 42009 | 34.762749147712 |
Recreational math for 42009
| Number 42009 reversed | 90024 |
| Sum of the digits | 15 |
| Number of digits | 5 |
Other pages about 42009
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