Names of 1680
| Nominal | 1680 |
| Cardinal | one thousand six hundred eighty |
| Ordinal | 1,680th |
| This number as US currency | one thousand six hundred eighty dollars |
| Is 1680 an odd number? | 1680 is NOT an odd number |
| Is 1680 an even number? | 1680 is an even number |
| Is 1680 a palindrome? | 1680 is NOT a palindrome number |
| Is 1680 a triangle number? | 1680 is NOT a triangle number |
1680 in other Bases
| Base 2 (Binary) | 110100100002 |
| Base 3 (Ternary) | 20220203 |
| Base 4 (Quaternary) | 1221004 |
| Base 5 (Quinary) | 232105 |
| Base 6 (Senary) | 114406 |
| Base 8 (Octal) | 32208 |
| Base 12 (Duodecimal) | B8012 |
| Base 16 (Hexadecimal) | 69016 |
| Base 20 (Vigesimal) | 44020 |
Primes and Factors tests for 1680
| Is 1680 a Prime Number? | 1680 is NOT a prime |
| Is 1680 a perfect number? | 1680 is NOT a perfect number |
| Is 1680 a Mersenne Prime? | 1680 is NOT a Mersenne prime |
| Is 1680 a Fermat Prime? | 1680 is NOT a Fermat prime |
| Is 1680 a Fibonacci Prime? | 1680 is NOT a Fibonacci prime |
| Is 1680 a Partition Prime? | 1680 is NOT a Partition prime |
| Is 1680 a Pell Prime? | 1680 is NOT a Pell prime |
| Prime Factors | Prime factors of 1680 |
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1680 in other Numerals
| 1680 in Roman Numeral | MDCLXXX |
| 1680 in Chinese Numeral | 壹仟陸佰捌拾 |
| 1680 in Egyptian Numeral | 𓆼𓍧𓎍 |
| 1680 in Babylonian Numeral |  |
Roots and stuff for 1680
| Is 1680 a square number? | 1680 is NOT a square number |
| Is 1680 a cube number? | 1680 is NOT a cube number |
| Square root of the number 1680 | 40.987803063838 |
| Cube root of the number 1680 | 11.887843905526 |
Recreational math for 1680
| Number 1680 reversed | 0861 |
| Sum of the digits | 15 |
| No of digits | 4 |