Names of 990121
| Nominal | 990121 |
| Cardinal | nine hundred ninety thousand one hundred twenty-one |
| Ordinal | 990,121st |
| This number as US currency | nine hundred ninety thousand one hundred twenty-one dollars |
| Is 990121 an odd number? | 990121 is an odd number |
| Is 990121 an even number? | 990121 is NOT an even number |
| Is 990121 a palindrome? | 990121 is NOT a palindrome number |
| Is 990121 a triangle number? | 990121 is NOT a triangle number |
990121 in other Bases
| Base 2 (Binary) | 111100011011101010012 |
| Base 3 (Ternary) | 12120220120113 |
| Base 4 (Quaternary) | 33012322214 |
| Base 5 (Quinary) | 2231404415 |
| Base 6 (Senary) | 331155216 |
| Base 8 (Octal) | 36156518 |
| Base 12 (Duodecimal) | 3B8BA112 |
| Base 16 (Hexadecimal) | F1BA916 |
| Base 20 (Vigesimal) | 63F6120 |
Primes and Factors tests for 990121
| Is 990121 a Prime Number? | 990121 is NOT a prime |
| Is 990121 a perfect number? | 990121 is NOT a perfect number |
| Is 990121 a Mersenne Prime? | 990121 is NOT a Mersenne prime |
| Is 990121 a Fermat Prime? | 990121 is NOT a Fermat prime |
| Is 990121 a Fibonacci Prime? | 990121 is NOT a Fibonacci prime |
| Is 990121 a Partition Prime? | 990121 is NOT a Partition prime |
| Is 990121 a Pell Prime? | 990121 is NOT a Pell prime |
| Prime Factors | Prime factors of 990121 |
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990121 in other Numerals
| 990121 in Roman Numeral | CMXCCXXI |
| 990121 in Chinese Numeral | 玖拾萬玖萬壹佰貳拾壹 |
| 990121 in Egyptian Numeral | 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂵𓍢𓎇𓏺 |
| 990121 in Babylonian Numeral |     |
Roots and stuff for 990121
| Is 990121 a square number? | 990121 is NOT a square number |
| Is 990121 a cube number? | 990121 is NOT a cube number |
| Square root of the number 990121 | 995.04824003663 |
| Cube root of the number 990121 | 99.669609624152 |
Recreational math for 990121
| Number 990121 reversed | 121099 |
| Sum of the digits | 22 |
| No of digits | 6 |