138009
Everything about the number 138009 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
Names of 138009
| Nominal | 138009 |
| Cardinal | one hundred thirty-eight thousand nine |
| Ordinal | 138,009th |
| This number as US currency | one hundred thirty-eight thousand nine dollars |
Properties (and some facts) of 138009
| Is 138009 an odd number? | 138009 is an odd number |
| Is 138009 an even number? | 138009 is not an even number |
| Is 138009 a palindrome? | 138009 is not a palindrome |
| Is 138009 a triangle number? | 138009 is not a triangle number |
138009 in other bases
| Base 2 (Binary) | 100001101100011001 |
| Base 3 (Ternary) | 21000022110 |
| Base 4 (Quaternary) | 201230121 |
| Base 5 (Quinary) | 13404014 |
| Base 6 (Senary) | 2542533 |
| Base 8 (Octal) | 415431 |
| Base 12 (Duodecimal) | 67A49 |
| Base 16 (Hexadecimal) | 21B19 |
| Base 20 (Vigesimal) | H509 |
Primes and factors tests for 138009
| Is 138009 a prime number? | 138009 is not a prime number |
| Is 138009 a perfect number? | 138009 is not a perfect number |
| Is 138009 a Mersenne prime? | 138009 is not a Mersenne prime |
| Is 138009 a Fermat prime? | 138009 is not a Fermat prime |
| Is 138009 a Fibonacci prime? | 138009 is not a Fibonacci prime |
| Is 138009 a partition prime? | 138009 is not a partition prime |
| Is 138009 a Pell prime? | 138009 is not a Pell prime |
| Prime Factors | Prime factors of 138009 |
138009 in other numeral systems
| 138009 in Roman numerals | CXXXVMMMIX |
| 138009 in Chinese numerals | 壹拾萬叄萬捌仟玖 |
| 138009 in Babylonian numerals |    |
| 138009 in Egyptian numerals | 𓆐𓂯𓇃𓐂 |
Roots and squares for 138009
| Is 138009 a square number? | 138009 is not a square number |
| Is 138009 a cube number? | 138009 is not a cube number |
| Square root of 138009 | 371.49562581543 |
| Cube root of 138009 | 51.677615901227 |
Recreational math for 138009
| Number 138009 reversed | 900831 |
| Sum of the digits | 21 |
| Number of digits | 6 |