Names of 138840
| Nominal | 138840 |
| Cardinal | one hundred thirty-eight thousand eight hundred forty |
| Ordinal | 138,840th |
| This number as US currency | one hundred thirty-eight thousand eight hundred forty dollars |
| Is 138840 an odd number? | 138840 is NOT an odd number |
| Is 138840 an even number? | 138840 is an even number |
| Is 138840 a palindrome? | 138840 is NOT a palindrome number |
| Is 138840 a triangle number? | 138840 is NOT a triangle number |
138840 in other Bases
| Base 2 (Binary) | 1000011110010110002 |
| Base 3 (Ternary) | 210011100203 |
| Base 4 (Quaternary) | 2013211204 |
| Base 5 (Quinary) | 134203305 |
| Base 6 (Senary) | 25504406 |
| Base 8 (Octal) | 4171308 |
| Base 12 (Duodecimal) | 6842012 |
| Base 16 (Hexadecimal) | 21E5816 |
| Base 20 (Vigesimal) | H72020 |
Primes and Factors tests for 138840
| Is 138840 a Prime Number? | 138840 is NOT a prime |
| Is 138840 a perfect number? | 138840 is NOT a perfect number |
| Is 138840 a Mersenne Prime? | 138840 is NOT a Mersenne prime |
| Is 138840 a Fermat Prime? | 138840 is NOT a Fermat prime |
| Is 138840 a Fibonacci Prime? | 138840 is NOT a Fibonacci prime |
| Is 138840 a Partition Prime? | 138840 is NOT a Partition prime |
| Is 138840 a Pell Prime? | 138840 is NOT a Pell prime |
| Prime Factors | Prime factors of 138840 |
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138840 in other Numerals
| 138840 in Roman Numeral | CXXXVMMMDCCCXL |
| 138840 in Chinese Numeral | 壹拾萬叄萬捌仟捌佰肆拾 |
| 138840 in Egyptian Numeral | 𓆐𓂯𓇃𓍩𓎉 |
| 138840 in Babylonian Numeral |   |
Roots and stuff for 138840
| Is 138840 a square number? | 138840 is NOT a square number |
| Is 138840 a cube number? | 138840 is NOT a cube number |
| Square root of the number 138840 | 372.61239914957 |
| Cube root of the number 138840 | 51.781131353675 |
Recreational math for 138840
| Number 138840 reversed | 048831 |
| Sum of the digits | 24 |
| No of digits | 6 |