1998001
Everything about the number 1998001 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
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Names of 1998001
| Nominal | 1998001 |
| Cardinal | one million nine hundred ninety-eight thousand one |
| Ordinal | 1,998,001st |
| This number as US currency | one million nine hundred ninety-eight thousand one dollars |
Properties (and some facts) of 1998001
| Is 1998001 an odd number? | 1998001 is an odd number |
| Is 1998001 an even number? | 1998001 is not an even number |
| Is 1998001 a palindrome? | 1998001 is not a palindrome |
| Is 1998001 a triangle number? | 1998001 is not a triangle number |
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1998001 in other bases
| Base 2 (Binary) | 111100111110010110001 |
| Base 3 (Ternary) | 10202111202001 |
| Base 4 (Quaternary) | 13213302301 |
| Base 5 (Quinary) | 1002414001 |
| Base 6 (Senary) | 110454001 |
| Base 8 (Octal) | 7476261 |
| Base 12 (Duodecimal) | 804301 |
| Base 16 (Hexadecimal) | 1E7CB1 |
| Base 20 (Vigesimal) | C9F01 |
Primes and factors tests for 1998001
| Is 1998001 a prime number? | 1998001 is not a prime number |
| Is 1998001 a perfect number? | 1998001 is not a perfect number |
| Is 1998001 a Mersenne prime? | 1998001 is not a Mersenne prime |
| Is 1998001 a Fermat prime? | 1998001 is not a Fermat prime |
| Is 1998001 a Fibonacci prime? | 1998001 is not a Fibonacci prime |
| Is 1998001 a partition prime? | 1998001 is not a partition prime |
| Is 1998001 a Pell prime? | 1998001 is not a Pell prime |
| Prime Factors | Prime factors of 1998001 |
1998001 in other numeral systems
| 1998001 in Roman numerals | CMXCVMMMI |
| 1998001 in Chinese numerals | 玖拾萬玖萬捌仟壹 |
| 1998001 in Babylonian numerals |    |
| 1998001 in Egyptian numerals | 𓁨𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂵𓇃𓏺 |
Roots and squares for 1998001
| Is 1998001 a square number? | 1998001 is not a square number |
| Is 1998001 a cube number? | 1998001 is not a cube number |
| Square root of 1998001 | 1413.506632457 |
| Cube root of 1998001 | 125.95011462694 |
Recreational math for 1998001
| Number 1998001 reversed | 1008991 |
| Sum of the digits | 28 |
| Number of digits | 7 |
Other pages about 1998001
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