138321
Everything about the number 138321 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
Names of 138321
| Nominal | 138321 |
| Cardinal | one hundred thirty-eight thousand three hundred twenty-one |
| Ordinal | 138,321st |
| This number as US currency | one hundred thirty-eight thousand three hundred twenty-one dollars |
Properties (and some facts) of 138321
| Is 138321 an odd number? | 138321 is an odd number |
| Is 138321 an even number? | 138321 is not an even number |
| Is 138321 a palindrome? | 138321 is not a palindrome |
| Is 138321 a triangle number? | 138321 is not a triangle number |
138321 in other bases
| Base 2 (Binary) | 100001110001010001 |
| Base 3 (Ternary) | 21000202000 |
| Base 4 (Quaternary) | 201301101 |
| Base 5 (Quinary) | 13411241 |
| Base 6 (Senary) | 2544213 |
| Base 8 (Octal) | 416121 |
| Base 12 (Duodecimal) | 68069 |
| Base 16 (Hexadecimal) | 21C51 |
| Base 20 (Vigesimal) | H5G1 |
Primes and factors tests for 138321
| Is 138321 a prime number? | 138321 is not a prime number |
| Is 138321 a perfect number? | 138321 is not a perfect number |
| Is 138321 a Mersenne prime? | 138321 is not a Mersenne prime |
| Is 138321 a Fermat prime? | 138321 is not a Fermat prime |
| Is 138321 a Fibonacci prime? | 138321 is not a Fibonacci prime |
| Is 138321 a partition prime? | 138321 is not a partition prime |
| Is 138321 a Pell prime? | 138321 is not a Pell prime |
| Prime Factors | Prime factors of 138321 |
138321 in other numeral systems
| 138321 in Roman numerals | CXXXVMMMCCCXXI |
| 138321 in Chinese numerals | 壹拾萬叄萬捌仟叄佰貳拾壹 |
| 138321 in Babylonian numerals |    |
| 138321 in Egyptian numerals | 𓆐𓂯𓇃𓍤𓎇𓏺 |
Roots and squares for 138321
| Is 138321 a square number? | 138321 is not a square number |
| Is 138321 a cube number? | 138321 is not a cube number |
| Square root of 138321 | 371.915312941 |
| Cube root of 138321 | 51.716529501573 |
Recreational math for 138321
| Number 138321 reversed | 123831 |
| Sum of the digits | 18 |
| Number of digits | 6 |