1006991
Everything about the number 1006991 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
Names of 1006991
| Nominal | 1006991 |
| Cardinal | one million six thousand nine hundred ninety-one |
| Ordinal | 1,006,991st |
| This number as US currency | one million six thousand nine hundred ninety-one dollars |
Properties (and some facts) of 1006991
| Is 1006991 an odd number? | 1006991 is an odd number |
| Is 1006991 an even number? | 1006991 is not an even number |
| Is 1006991 a palindrome? | 1006991 is not a palindrome |
| Is 1006991 a triangle number? | 1006991 is not a triangle number |
1006991 in other bases
| Base 2 (Binary) | 11110101110110001111 |
| Base 3 (Ternary) | 1220011022222 |
| Base 4 (Quaternary) | 3311312033 |
| Base 5 (Quinary) | 224210431 |
| Base 6 (Senary) | 33325555 |
| Base 8 (Octal) | 3656617 |
| Base 12 (Duodecimal) | 4068BB |
| Base 16 (Hexadecimal) | F5D8F |
| Base 20 (Vigesimal) | 65H9B |
Primes and factors tests for 1006991
| Is 1006991 a prime number? | 1006991 is a prime number |
| Is 1006991 a perfect number? | 1006991 is not a perfect number |
| Is 1006991 a Mersenne prime? | 1006991 is not a Mersenne prime |
| Is 1006991 a Fermat prime? | 1006991 is not a Fermat prime |
| Is 1006991 a Fibonacci prime? | 1006991 is not a Fibonacci prime |
| Is 1006991 a partition prime? | 1006991 is not a partition prime |
| Is 1006991 a Pell prime? | 1006991 is not a Pell prime |
| Prime Factors | Prime factors of 1006991 |
1006991 in other numeral systems
| 1006991 in Roman numerals | VMCMXCI |
| 1006991 in Chinese numerals | 陸仟玖佰玖拾壹 |
| 1006991 in Babylonian numerals |     |
| 1006991 in Egyptian numerals | 𓁨𓇁𓍪𓎎𓏺 |
Roots and squares for 1006991
| Is 1006991 a square number? | 1006991 is not a square number |
| Is 1006991 a cube number? | 1006991 is not a cube number |
| Square root of 1006991 | 1003.4894120019 |
| Cube root of 1006991 | 100.23249238734 |
Recreational math for 1006991
| Number 1006991 reversed | 1996001 |
| Sum of the digits | 26 |
| Number of digits | 7 |