Names of 121985
| Nominal | 121985 |
| Cardinal | one hundred twenty-one thousand nine hundred eighty-five |
| Ordinal | 121,985th |
| This number as US currency | one hundred twenty-one thousand nine hundred eighty-five dollars |
| Is 121985 an odd number? | 121985 is an odd number |
| Is 121985 an even number? | 121985 is NOT an even number |
| Is 121985 a palindrome? | 121985 is NOT a palindrome number |
| Is 121985 a triangle number? | 121985 is NOT a triangle number |
121985 in other Bases
| Base 2 (Binary) | 111011100100000012 |
| Base 3 (Ternary) | 200120222223 |
| Base 4 (Quaternary) | 1313020014 |
| Base 5 (Quinary) | 124004205 |
| Base 6 (Senary) | 23404256 |
| Base 8 (Octal) | 3562018 |
| Base 12 (Duodecimal) | 5A71512 |
| Base 16 (Hexadecimal) | 1DC8116 |
| Base 20 (Vigesimal) | F4J520 |
Primes and Factors tests for 121985
| Is 121985 a Prime Number? | 121985 is NOT a prime |
| Is 121985 a perfect number? | 121985 is NOT a perfect number |
| Is 121985 a Mersenne Prime? | 121985 is NOT a Mersenne prime |
| Is 121985 a Fermat Prime? | 121985 is NOT a Fermat prime |
| Is 121985 a Fibonacci Prime? | 121985 is NOT a Fibonacci prime |
| Is 121985 a Partition Prime? | 121985 is NOT a Partition prime |
| Is 121985 a Pell Prime? | 121985 is NOT a Pell prime |
| Prime Factors | Prime factors of 121985 |
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121985 in other Numerals
| 121985 in Roman Numeral | CXXMCMLXXXV |
| 121985 in Chinese Numeral | 壹拾萬貳萬壹仟玖佰捌拾伍 |
| 121985 in Egyptian Numeral | 𓆐𓂮𓆼𓍪𓎍𓏾 |
| 121985 in Babylonian Numeral |    |
Roots and stuff for 121985
| Is 121985 a square number? | 121985 is NOT a square number |
| Is 121985 a cube number? | 121985 is NOT a cube number |
| Square root of the number 121985 | 349.26351083387 |
| Cube root of the number 121985 | 49.594723901151 |
Recreational math for 121985
| Number 121985 reversed | 589121 |
| Sum of the digits | 26 |
| No of digits | 6 |