Names of 18139
| Nominal | 18139 |
| Cardinal | eighteen thousand one hundred thirty-nine |
| Ordinal | 18,139th |
| This number as US currency | eighteen thousand one hundred thirty-nine dollars |
| Is 18139 an odd number? | 18139 is an odd number |
| Is 18139 an even number? | 18139 is NOT an even number |
| Is 18139 a palindrome? | 18139 is NOT a palindrome number |
| Is 18139 a triangle number? | 18139 is NOT a triangle number |
18139 in other Bases
| Base 2 (Binary) | 1000110110110112 |
| Base 3 (Ternary) | 2202122113 |
| Base 4 (Quaternary) | 101231234 |
| Base 5 (Quinary) | 10400245 |
| Base 6 (Senary) | 2155516 |
| Base 8 (Octal) | 433338 |
| Base 12 (Duodecimal) | A5B712 |
| Base 16 (Hexadecimal) | 46DB16 |
| Base 20 (Vigesimal) | 256J20 |
Primes and Factors tests for 18139
| Is 18139 a Prime Number? | 18139 is NOT a prime |
| Is 18139 a perfect number? | 18139 is NOT a perfect number |
| Is 18139 a Mersenne Prime? | 18139 is NOT a Mersenne prime |
| Is 18139 a Fermat Prime? | 18139 is NOT a Fermat prime |
| Is 18139 a Fibonacci Prime? | 18139 is NOT a Fibonacci prime |
| Is 18139 a Partition Prime? | 18139 is NOT a Partition prime |
| Is 18139 a Pell Prime? | 18139 is NOT a Pell prime |
| Prime Factors | Prime factors of 18139 |
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18139 in other Numerals
| 18139 in Roman Numeral | XVMMMCXXXIX |
| 18139 in Chinese Numeral | 壹萬捌仟壹佰叄拾玖 |
| 18139 in Egyptian Numeral | 𓂭𓇃𓍢𓎈𓐂 |
| 18139 in Babylonian Numeral |    |
Roots and stuff for 18139
| Is 18139 a square number? | 18139 is NOT a square number |
| Is 18139 a cube number? | 18139 is NOT a cube number |
| Square root of the number 18139 | 134.68110483657 |
| Cube root of the number 18139 | 26.274700861432 |
Recreational math for 18139
| Number 18139 reversed | 93181 |
| Sum of the digits | 22 |
| No of digits | 5 |