Names of 1997
| Nominal | 1997 |
| Cardinal | one thousand nine hundred ninety-seven |
| Ordinal | 1,997th |
| This number as US currency | one thousand nine hundred ninety-seven dollars |
| Is 1997 an odd number? | 1997 is an odd number |
| Is 1997 an even number? | 1997 is NOT an even number |
| Is 1997 a palindrome? | 1997 is NOT a palindrome number |
| Is 1997 a triangle number? | 1997 is NOT a triangle number |
1997 in other Bases
| Base 2 (Binary) | 111110011012 |
| Base 3 (Ternary) | 22012223 |
| Base 4 (Quaternary) | 1330314 |
| Base 5 (Quinary) | 304425 |
| Base 6 (Senary) | 131256 |
| Base 8 (Octal) | 37158 |
| Base 12 (Duodecimal) | 11A512 |
| Base 16 (Hexadecimal) | 7CD16 |
| Base 20 (Vigesimal) | 4JH20 |
Primes and Factors tests for 1997
| Is 1997 a Prime Number? | 1997 is a prime |
| Is 1997 a perfect number? | 1997 is NOT a perfect number |
| Is 1997 a Mersenne Prime? | 1997 is NOT a Mersenne prime |
| Is 1997 a Fermat Prime? | 1997 is NOT a Fermat prime |
| Is 1997 a Fibonacci Prime? | 1997 is NOT a Fibonacci prime |
| Is 1997 a Partition Prime? | 1997 is NOT a Partition prime |
| Is 1997 a Pell Prime? | 1997 is NOT a Pell prime |
| Prime Factors | Prime factors of 1997 |
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1997 in other Numerals
| 1997 in Roman Numeral | MCMXCVII |
| 1997 in Chinese Numeral | 壹仟玖佰玖拾柒 |
| 1997 in Egyptian Numeral | 𓆼𓍪𓎎𓐀 |
| 1997 in Babylonian Numeral |   |
Roots and stuff for 1997
| Is 1997 a square number? | 1997 is NOT a square number |
| Is 1997 a cube number? | 1997 is NOT a cube number |
| Square root of the number 1997 | 44.687805943009 |
| Cube root of the number 1997 | 12.592907741269 |
Recreational math for 1997
| Number 1997 reversed | 7991 |
| Sum of the digits | 26 |
| No of digits | 4 |