Names of 1688
| Nominal | 1688 |
| Cardinal | one thousand six hundred eighty-eight |
| Ordinal | 1,688th |
| This number as US currency | one thousand six hundred eighty-eight dollars |
| Is 1688 an odd number? | 1688 is NOT an odd number |
| Is 1688 an even number? | 1688 is an even number |
| Is 1688 a palindrome? | 1688 is NOT a palindrome number |
| Is 1688 a triangle number? | 1688 is NOT a triangle number |
1688 in other Bases
| Base 2 (Binary) | 110100110002 |
| Base 3 (Ternary) | 20221123 |
| Base 4 (Quaternary) | 1221204 |
| Base 5 (Quinary) | 232235 |
| Base 6 (Senary) | 114526 |
| Base 8 (Octal) | 32308 |
| Base 12 (Duodecimal) | B8812 |
| Base 16 (Hexadecimal) | 69816 |
| Base 20 (Vigesimal) | 44820 |
Primes and Factors tests for 1688
| Is 1688 a Prime Number? | 1688 is NOT a prime |
| Is 1688 a perfect number? | 1688 is NOT a perfect number |
| Is 1688 a Mersenne Prime? | 1688 is NOT a Mersenne prime |
| Is 1688 a Fermat Prime? | 1688 is NOT a Fermat prime |
| Is 1688 a Fibonacci Prime? | 1688 is NOT a Fibonacci prime |
| Is 1688 a Partition Prime? | 1688 is NOT a Partition prime |
| Is 1688 a Pell Prime? | 1688 is NOT a Pell prime |
| Prime Factors | Prime factors of 1688 |
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1688 in other Numerals
| 1688 in Roman Numeral | MDCLXXXVIII |
| 1688 in Chinese Numeral | 壹仟陸佰捌拾捌 |
| 1688 in Egyptian Numeral | 𓆼𓍧𓎍𓐁 |
| 1688 in Babylonian Numeral |   |
Roots and stuff for 1688
| Is 1688 a square number? | 1688 is NOT a square number |
| Is 1688 a cube number? | 1688 is NOT a cube number |
| Square root of the number 1688 | 41.085277168348 |
| Cube root of the number 1688 | 11.906683626278 |
Recreational math for 1688
| Number 1688 reversed | 8861 |
| Sum of the digits | 23 |
| No of digits | 4 |