138240
Everything about the number 138240 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
Names of 138240
| Nominal | 138240 |
| Cardinal | one hundred thirty-eight thousand two hundred forty |
| Ordinal | 138,240th |
| This number as US currency | one hundred thirty-eight thousand two hundred forty dollars |
Properties (and some facts) of 138240
| Is 138240 an odd number? | 138240 is not an odd number |
| Is 138240 an even number? | 138240 is an even number |
| Is 138240 a palindrome? | 138240 is not a palindrome |
| Is 138240 a triangle number? | 138240 is not a triangle number |
138240 in other bases
| Base 2 (Binary) | 100001110000000000 |
| Base 3 (Ternary) | 21000122000 |
| Base 4 (Quaternary) | 201300000 |
| Base 5 (Quinary) | 13410430 |
| Base 6 (Senary) | 2544000 |
| Base 8 (Octal) | 416000 |
| Base 12 (Duodecimal) | 68000 |
| Base 16 (Hexadecimal) | 21C00 |
| Base 20 (Vigesimal) | H5C0 |
Primes and factors tests for 138240
| Is 138240 a prime number? | 138240 is not a prime number |
| Is 138240 a perfect number? | 138240 is not a perfect number |
| Is 138240 a Mersenne prime? | 138240 is not a Mersenne prime |
| Is 138240 a Fermat prime? | 138240 is not a Fermat prime |
| Is 138240 a Fibonacci prime? | 138240 is not a Fibonacci prime |
| Is 138240 a partition prime? | 138240 is not a partition prime |
| Is 138240 a Pell prime? | 138240 is not a Pell prime |
| Prime Factors | Prime factors of 138240 |
138240 in other numeral systems
| 138240 in Roman numerals | CXXXVMMMCCXL |
| 138240 in Chinese numerals | 壹拾萬叄萬捌仟貳佰肆拾 |
| 138240 in Babylonian numerals |   |
| 138240 in Egyptian numerals | 𓆐𓂯𓇃𓍣𓎉 |
Roots and squares for 138240
| Is 138240 a square number? | 138240 is not a square number |
| Is 138240 a cube number? | 138240 is not a cube number |
| Square root of 138240 | 371.80640123591 |
| Cube root of 138240 | 51.706432560765 |
Recreational math for 138240
| Number 138240 reversed | 042831 |
| Sum of the digits | 18 |
| Number of digits | 6 |