138440
Everything about the number 138440 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
Names of 138440
| Nominal | 138440 |
| Cardinal | one hundred thirty-eight thousand four hundred forty |
| Ordinal | 138,440th |
| This number as US currency | one hundred thirty-eight thousand four hundred forty dollars |
Properties (and some facts) of 138440
| Is 138440 an odd number? | 138440 is not an odd number |
| Is 138440 an even number? | 138440 is an even number |
| Is 138440 a palindrome? | 138440 is not a palindrome |
| Is 138440 a triangle number? | 138440 is not a triangle number |
138440 in other bases
| Base 2 (Binary) | 100001110011001000 |
| Base 3 (Ternary) | 21000220102 |
| Base 4 (Quaternary) | 201303020 |
| Base 5 (Quinary) | 13412230 |
| Base 6 (Senary) | 2544532 |
| Base 8 (Octal) | 416310 |
| Base 12 (Duodecimal) | 68148 |
| Base 16 (Hexadecimal) | 21CC8 |
| Base 20 (Vigesimal) | H620 |
Primes and factors tests for 138440
| Is 138440 a prime number? | 138440 is not a prime number |
| Is 138440 a perfect number? | 138440 is not a perfect number |
| Is 138440 a Mersenne prime? | 138440 is not a Mersenne prime |
| Is 138440 a Fermat prime? | 138440 is not a Fermat prime |
| Is 138440 a Fibonacci prime? | 138440 is not a Fibonacci prime |
| Is 138440 a partition prime? | 138440 is not a partition prime |
| Is 138440 a Pell prime? | 138440 is not a Pell prime |
| Prime Factors | Prime factors of 138440 |
138440 in other numeral systems
| 138440 in Roman numerals | CXXXVMMMCDXL |
| 138440 in Chinese numerals | 壹拾萬叄萬捌仟肆佰肆拾 |
| 138440 in Babylonian numerals |    |
| 138440 in Egyptian numerals | 𓆐𓂯𓇃𓍥𓎉 |
Roots and squares for 138440
| Is 138440 a square number? | 138440 is not a square number |
| Is 138440 a cube number? | 138440 is not a cube number |
| Square root of 138440 | 372.07526120397 |
| Cube root of 138440 | 51.731356131848 |
Recreational math for 138440
| Number 138440 reversed | 044831 |
| Sum of the digits | 20 |
| Number of digits | 6 |