Names of 1965
| Nominal | 1965 |
| Cardinal | one thousand nine hundred sixty-five |
| Ordinal | 1,965th |
| This number as US currency | one thousand nine hundred sixty-five dollars |
| Is 1965 an odd number? | 1965 is an odd number |
| Is 1965 an even number? | 1965 is NOT an even number |
| Is 1965 a palindrome? | 1965 is NOT a palindrome number |
| Is 1965 a triangle number? | 1965 is NOT a triangle number |
1965 in other Bases
| Base 2 (Binary) | 111101011012 |
| Base 3 (Ternary) | 22002103 |
| Base 4 (Quaternary) | 1322314 |
| Base 5 (Quinary) | 303305 |
| Base 6 (Senary) | 130336 |
| Base 8 (Octal) | 36558 |
| Base 12 (Duodecimal) | 117912 |
| Base 16 (Hexadecimal) | 7AD16 |
| Base 20 (Vigesimal) | 4I520 |
Primes and Factors tests for 1965
| Is 1965 a Prime Number? | 1965 is NOT a prime |
| Is 1965 a perfect number? | 1965 is NOT a perfect number |
| Is 1965 a Mersenne Prime? | 1965 is NOT a Mersenne prime |
| Is 1965 a Fermat Prime? | 1965 is NOT a Fermat prime |
| Is 1965 a Fibonacci Prime? | 1965 is NOT a Fibonacci prime |
| Is 1965 a Partition Prime? | 1965 is NOT a Partition prime |
| Is 1965 a Pell Prime? | 1965 is NOT a Pell prime |
| Prime Factors | Prime factors of 1965 |
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1965 in other Numerals
| 1965 in Roman Numeral | MCMLXV |
| 1965 in Chinese Numeral | 壹仟玖佰陸拾伍 |
| 1965 in Egyptian Numeral | 𓆼𓍪𓎋𓏾 |
| 1965 in Babylonian Numeral |   |
Roots and stuff for 1965
| Is 1965 a square number? | 1965 is NOT a square number |
| Is 1965 a cube number? | 1965 is NOT a cube number |
| Square root of the number 1965 | 44.328320518603 |
| Cube root of the number 1965 | 12.525282163834 |
Recreational math for 1965
| Number 1965 reversed | 5691 |
| Sum of the digits | 21 |
| No of digits | 4 |