Names of 138561
| Nominal | 138561 |
| Cardinal | one hundred thirty-eight thousand five hundred sixty-one |
| Ordinal | 138,561st |
| This number as US currency | one hundred thirty-eight thousand five hundred sixty-one dollars |
| Is 138561 an odd number? | 138561 is an odd number |
| Is 138561 an even number? | 138561 is NOT an even number |
| Is 138561 a palindrome? | 138561 is NOT a palindrome number |
| Is 138561 a triangle number? | 138561 is NOT a triangle number |
138561 in other Bases
| Base 2 (Binary) | 1000011101010000012 |
| Base 3 (Ternary) | 210010012203 |
| Base 4 (Quaternary) | 2013110014 |
| Base 5 (Quinary) | 134132215 |
| Base 6 (Senary) | 25452536 |
| Base 8 (Octal) | 4165018 |
| Base 12 (Duodecimal) | 6822912 |
| Base 16 (Hexadecimal) | 21D4116 |
| Base 20 (Vigesimal) | H68120 |
Primes and Factors tests for 138561
| Is 138561 a Prime Number? | 138561 is NOT a prime |
| Is 138561 a perfect number? | 138561 is NOT a perfect number |
| Is 138561 a Mersenne Prime? | 138561 is NOT a Mersenne prime |
| Is 138561 a Fermat Prime? | 138561 is NOT a Fermat prime |
| Is 138561 a Fibonacci Prime? | 138561 is NOT a Fibonacci prime |
| Is 138561 a Partition Prime? | 138561 is NOT a Partition prime |
| Is 138561 a Pell Prime? | 138561 is NOT a Pell prime |
| Prime Factors | Prime factors of 138561 |
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138561 in other Numerals
| 138561 in Roman Numeral | CXXXVMMMDLXI |
| 138561 in Chinese Numeral | 壹拾萬叄萬捌仟伍佰陸拾壹 |
| 138561 in Egyptian Numeral | 𓆐𓂯𓇃𓍦𓎋𓏺 |
| 138561 in Babylonian Numeral |    |
Roots and stuff for 138561
| Is 138561 a square number? | 138561 is NOT a square number |
| Is 138561 a cube number? | 138561 is NOT a cube number |
| Square root of the number 138561 | 372.23782720191 |
| Cube root of the number 138561 | 51.746423239923 |
Recreational math for 138561
| Number 138561 reversed | 165831 |
| Sum of the digits | 24 |
| No of digits | 6 |