990001
Everything about the number 990001 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
Names of 990001
| Nominal | 990001 |
| Cardinal | nine hundred ninety thousand one |
| Ordinal | 990,001st |
| This number as US currency | nine hundred ninety thousand one dollars |
Properties (and some facts) of 990001
| Is 990001 an odd number? | 990001 is an odd number |
| Is 990001 an even number? | 990001 is not an even number |
| Is 990001 a palindrome? | 990001 is not a palindrome |
| Is 990001 a triangle number? | 990001 is not a triangle number |
990001 in other bases
| Base 2 (Binary) | 11110001101100110001 |
| Base 3 (Ternary) | 1212022000201 |
| Base 4 (Quaternary) | 3301230301 |
| Base 5 (Quinary) | 223140001 |
| Base 6 (Senary) | 33115201 |
| Base 8 (Octal) | 3615461 |
| Base 12 (Duodecimal) | 3B8B01 |
| Base 16 (Hexadecimal) | F1B31 |
| Base 20 (Vigesimal) | 63F01 |
Primes and factors tests for 990001
| Is 990001 a prime number? | 990001 is a prime number |
| Is 990001 a perfect number? | 990001 is not a perfect number |
| Is 990001 a Mersenne prime? | 990001 is not a Mersenne prime |
| Is 990001 a Fermat prime? | 990001 is not a Fermat prime |
| Is 990001 a Fibonacci prime? | 990001 is not a Fibonacci prime |
| Is 990001 a partition prime? | 990001 is not a partition prime |
| Is 990001 a Pell prime? | 990001 is not a Pell prime |
| Prime Factors | Prime factors of 990001 |
990001 in other numeral systems
| 990001 in Roman numerals | CMXCI |
| 990001 in Chinese numerals | 玖拾萬玖萬壹 |
| 990001 in Babylonian numerals |    |
| 990001 in Egyptian numerals | 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂵𓏺 |
Roots and squares for 990001
| Is 990001 a square number? | 990001 is not a square number |
| Is 990001 a cube number? | 990001 is not a cube number |
| Square root of 990001 | 994.9879396254 |
| Cube root of 990001 | 99.665582898672 |
Recreational math for 990001
| Number 990001 reversed | 100099 |
| Sum of the digits | 19 |
| Number of digits | 6 |