Names of 121808
| Nominal | 121808 |
| Cardinal | one hundred twenty-one thousand eight hundred eight |
| Ordinal | 121,808th |
| This number as US currency | one hundred twenty-one thousand eight hundred eight dollars |
| Is 121808 an odd number? | 121808 is NOT an odd number |
| Is 121808 an even number? | 121808 is an even number |
| Is 121808 a palindrome? | 121808 is NOT a palindrome number |
| Is 121808 a triangle number? | 121808 is NOT a triangle number |
121808 in other Bases
| Base 2 (Binary) | 111011011110100002 |
| Base 3 (Ternary) | 200120021023 |
| Base 4 (Quaternary) | 1312331004 |
| Base 5 (Quinary) | 123442135 |
| Base 6 (Senary) | 23355326 |
| Base 8 (Octal) | 3557208 |
| Base 12 (Duodecimal) | 5A5A812 |
| Base 16 (Hexadecimal) | 1DBD016 |
| Base 20 (Vigesimal) | F4A820 |
Primes and Factors tests for 121808
| Is 121808 a Prime Number? | 121808 is NOT a prime |
| Is 121808 a perfect number? | 121808 is NOT a perfect number |
| Is 121808 a Mersenne Prime? | 121808 is NOT a Mersenne prime |
| Is 121808 a Fermat Prime? | 121808 is NOT a Fermat prime |
| Is 121808 a Fibonacci Prime? | 121808 is NOT a Fibonacci prime |
| Is 121808 a Partition Prime? | 121808 is NOT a Partition prime |
| Is 121808 a Pell Prime? | 121808 is NOT a Pell prime |
| Prime Factors | Prime factors of 121808 |
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121808 in other Numerals
| 121808 in Roman Numeral | CXXMDCCCVIII |
| 121808 in Chinese Numeral | 壹拾萬貳萬壹仟捌佰捌 |
| 121808 in Egyptian Numeral | 𓆐𓂮𓆼𓍩𓐁 |
| 121808 in Babylonian Numeral |    |
Roots and stuff for 121808
| Is 121808 a square number? | 121808 is NOT a square number |
| Is 121808 a cube number? | 121808 is NOT a cube number |
| Square root of the number 121808 | 349.01002850921 |
| Cube root of the number 121808 | 49.57072500701 |
Recreational math for 121808
| Number 121808 reversed | 808121 |
| Sum of the digits | 20 |
| No of digits | 6 |