1664
Everything about the number 1664 — its names, how to write it in other bases and numeral systems, and what makes it interesting mathematically.
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Names of 1664
| Nominal | 1664 |
| Cardinal | one thousand six hundred sixty-four |
| Ordinal | 1,664th |
| This number as US currency | one thousand six hundred sixty-four dollars |
Properties (and some facts) of 1664
| Is 1664 an odd number? | 1664 is not an odd number |
| Is 1664 an even number? | 1664 is an even number |
| Is 1664 a palindrome? | 1664 is not a palindrome |
| Is 1664 a triangle number? | 1664 is not a triangle number |
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1664 in other bases
| Base 2 (Binary) | 11010000000 |
| Base 3 (Ternary) | 2021122 |
| Base 4 (Quaternary) | 122000 |
| Base 5 (Quinary) | 23124 |
| Base 6 (Senary) | 11412 |
| Base 8 (Octal) | 3200 |
| Base 12 (Duodecimal) | B68 |
| Base 16 (Hexadecimal) | 680 |
| Base 20 (Vigesimal) | 434 |
Primes and factors tests for 1664
| Is 1664 a prime number? | 1664 is not a prime number |
| Is 1664 a perfect number? | 1664 is not a perfect number |
| Is 1664 a Mersenne prime? | 1664 is not a Mersenne prime |
| Is 1664 a Fermat prime? | 1664 is not a Fermat prime |
| Is 1664 a Fibonacci prime? | 1664 is not a Fibonacci prime |
| Is 1664 a partition prime? | 1664 is not a partition prime |
| Is 1664 a Pell prime? | 1664 is not a Pell prime |
| Prime Factors | Prime factors of 1664 |
1664 in other numeral systems
| 1664 in Roman numerals | MDCLXIV |
| 1664 in Chinese numerals | 壹仟陸佰陸拾肆 |
| 1664 in Babylonian numerals |   |
| 1664 in Egyptian numerals | 𓆼𓍧𓎋𓏽 |
Roots and squares for 1664
| Is 1664 a square number? | 1664 is not a square number |
| Is 1664 a cube number? | 1664 is not a cube number |
| Square root of 1664 | 40.792156108742 |
| Cube root of 1664 | 11.849984273629 |
Recreational math for 1664
| Number 1664 reversed | 4661 |
| Sum of the digits | 17 |
| Number of digits | 4 |
Arithmetic tables for 1664
Other pages about 1664
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