138
Everything about the number 138 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
Advertisement
Names of 138
| Nominal | 138 |
| Cardinal | one hundred thirty-eight |
| Ordinal | 138th |
| This number as US currency | one hundred thirty-eight dollars |
Properties (and some facts) of 138
| Is 138 an odd number? | 138 is not an odd number |
| Is 138 an even number? | 138 is an even number |
| Is 138 a palindrome? | 138 is not a palindrome |
| Is 138 a triangle number? | 138 is not a triangle number |
Advertisement
138 in other bases
| Base 2 (Binary) | 10001010 |
| Base 3 (Ternary) | 12010 |
| Base 4 (Quaternary) | 2022 |
| Base 5 (Quinary) | 1023 |
| Base 6 (Senary) | 350 |
| Base 8 (Octal) | 212 |
| Base 12 (Duodecimal) | B6 |
| Base 16 (Hexadecimal) | 8A |
| Base 20 (Vigesimal) | 6I |
Primes and factors tests for 138
| Is 138 a prime number? | 138 is not a prime number |
| Is 138 a perfect number? | 138 is not a perfect number |
| Is 138 a Mersenne prime? | 138 is not a Mersenne prime |
| Is 138 a Fermat prime? | 138 is not a Fermat prime |
| Is 138 a Fibonacci prime? | 138 is not a Fibonacci prime |
| Is 138 a partition prime? | 138 is not a partition prime |
| Is 138 a Pell prime? | 138 is not a Pell prime |
| Prime Factors | Prime factors of 138 |
138 in other numeral systems
| 138 in Roman numerals | CXXXVIII |
| 138 in Chinese numerals | 壹佰叄拾捌 |
| 138 in Babylonian numerals |   |
| 138 in Egyptian numerals | 𓍢𓎈𓐁 |
Roots and squares for 138
| Is 138 a square number? | 138 is not a square number |
| Is 138 a cube number? | 138 is not a cube number |
| Square root of 138 | 11.747340124471 |
| Cube root of 138 | 5.1676492523636 |
Recreational math for 138
| Number 138 reversed | 831 |
| Sum of the digits | 12 |
| Number of digits | 3 |
Arithmetic tables for 138
Other pages about 138
Advertisement