Names of 1660
| Nominal | 1660 |
| Cardinal | one thousand six hundred sixty |
| Ordinal | 1,660th |
| This number as US currency | one thousand six hundred sixty dollars |
| Is 1660 an odd number? | 1660 is NOT an odd number |
| Is 1660 an even number? | 1660 is an even number |
| Is 1660 a palindrome? | 1660 is NOT a palindrome number |
| Is 1660 a triangle number? | 1660 is NOT a triangle number |
1660 in other Bases
| Base 2 (Binary) | 110011111002 |
| Base 3 (Ternary) | 20211113 |
| Base 4 (Quaternary) | 1213304 |
| Base 5 (Quinary) | 231205 |
| Base 6 (Senary) | 114046 |
| Base 8 (Octal) | 31748 |
| Base 12 (Duodecimal) | B6412 |
| Base 16 (Hexadecimal) | 67C16 |
| Base 20 (Vigesimal) | 43020 |
Primes and Factors tests for 1660
| Is 1660 a Prime Number? | 1660 is NOT a prime |
| Is 1660 a perfect number? | 1660 is NOT a perfect number |
| Is 1660 a Mersenne Prime? | 1660 is NOT a Mersenne prime |
| Is 1660 a Fermat Prime? | 1660 is NOT a Fermat prime |
| Is 1660 a Fibonacci Prime? | 1660 is NOT a Fibonacci prime |
| Is 1660 a Partition Prime? | 1660 is NOT a Partition prime |
| Is 1660 a Pell Prime? | 1660 is NOT a Pell prime |
| Prime Factors | Prime factors of 1660 |
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1660 in other Numerals
| 1660 in Roman Numeral | MDCLX |
| 1660 in Chinese Numeral | 壹仟陸佰陸拾 |
| 1660 in Egyptian Numeral | 𓆼𓍧𓎋 |
| 1660 in Babylonian Numeral |   |
Roots and stuff for 1660
| Is 1660 a square number? | 1660 is NOT a square number |
| Is 1660 a cube number? | 1660 is NOT a cube number |
| Square root of the number 1660 | 40.743097574927 |
| Cube root of the number 1660 | 11.840481475429 |
Recreational math for 1660
| Number 1660 reversed | 0661 |
| Sum of the digits | 13 |
| No of digits | 4 |