Names of 121990
| Nominal | 121990 |
| Cardinal | one hundred twenty-one thousand nine hundred ninety |
| Ordinal | 121,990th |
| This number as US currency | one hundred twenty-one thousand nine hundred ninety dollars |
| Is 121990 an odd number? | 121990 is NOT an odd number |
| Is 121990 an even number? | 121990 is an even number |
| Is 121990 a palindrome? | 121990 is NOT a palindrome number |
| Is 121990 a triangle number? | 121990 is NOT a triangle number |
121990 in other Bases
| Base 2 (Binary) | 111011100100001102 |
| Base 3 (Ternary) | 200121000113 |
| Base 4 (Quaternary) | 1313020124 |
| Base 5 (Quinary) | 124004305 |
| Base 6 (Senary) | 23404346 |
| Base 8 (Octal) | 3562068 |
| Base 12 (Duodecimal) | 5A71A12 |
| Base 16 (Hexadecimal) | 1DC8616 |
| Base 20 (Vigesimal) | F4JA20 |
Primes and Factors tests for 121990
| Is 121990 a Prime Number? | 121990 is NOT a prime |
| Is 121990 a perfect number? | 121990 is NOT a perfect number |
| Is 121990 a Mersenne Prime? | 121990 is NOT a Mersenne prime |
| Is 121990 a Fermat Prime? | 121990 is NOT a Fermat prime |
| Is 121990 a Fibonacci Prime? | 121990 is NOT a Fibonacci prime |
| Is 121990 a Partition Prime? | 121990 is NOT a Partition prime |
| Is 121990 a Pell Prime? | 121990 is NOT a Pell prime |
| Prime Factors | Prime factors of 121990 |
Sponsored
121990 in other Numerals
| 121990 in Roman Numeral | CXXMCMXC |
| 121990 in Chinese Numeral | 壹拾萬貳萬壹仟玖佰玖拾 |
| 121990 in Egyptian Numeral | 𓆐𓂮𓆼𓍪𓎎 |
| 121990 in Babylonian Numeral |    |
Roots and stuff for 121990
| Is 121990 a square number? | 121990 is NOT a square number |
| Is 121990 a cube number? | 121990 is NOT a cube number |
| Square root of the number 121990 | 349.27066867975 |
| Cube root of the number 121990 | 49.595401498756 |
Recreational math for 121990
| Number 121990 reversed | 099121 |
| Sum of the digits | 22 |
| No of digits | 6 |