Names of 1961
| Nominal | 1961 |
| Cardinal | one thousand nine hundred sixty-one |
| Ordinal | 1,961st |
| This number as US currency | one thousand nine hundred sixty-one dollars |
| Is 1961 an odd number? | 1961 is an odd number |
| Is 1961 an even number? | 1961 is NOT an even number |
| Is 1961 a palindrome? | 1961 is NOT a palindrome number |
| Is 1961 a triangle number? | 1961 is NOT a triangle number |
1961 in other Bases
| Base 2 (Binary) | 111101010012 |
| Base 3 (Ternary) | 22001223 |
| Base 4 (Quaternary) | 1322214 |
| Base 5 (Quinary) | 303215 |
| Base 6 (Senary) | 130256 |
| Base 8 (Octal) | 36518 |
| Base 12 (Duodecimal) | 117512 |
| Base 16 (Hexadecimal) | 7A916 |
| Base 20 (Vigesimal) | 4I120 |
Primes and Factors tests for 1961
| Is 1961 a Prime Number? | 1961 is NOT a prime |
| Is 1961 a perfect number? | 1961 is NOT a perfect number |
| Is 1961 a Mersenne Prime? | 1961 is NOT a Mersenne prime |
| Is 1961 a Fermat Prime? | 1961 is NOT a Fermat prime |
| Is 1961 a Fibonacci Prime? | 1961 is NOT a Fibonacci prime |
| Is 1961 a Partition Prime? | 1961 is NOT a Partition prime |
| Is 1961 a Pell Prime? | 1961 is NOT a Pell prime |
| Prime Factors | Prime factors of 1961 |
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1961 in other Numerals
| 1961 in Roman Numeral | MCMLXI |
| 1961 in Chinese Numeral | 壹仟玖佰陸拾壹 |
| 1961 in Egyptian Numeral | 𓆼𓍪𓎋𓏺 |
| 1961 in Babylonian Numeral |   |
Roots and stuff for 1961
| Is 1961 a square number? | 1961 is NOT a square number |
| Is 1961 a cube number? | 1961 is NOT a cube number |
| Square root of the number 1961 | 44.283179650969 |
| Cube root of the number 1961 | 12.516777471242 |
Recreational math for 1961
| Number 1961 reversed | 1691 |
| Sum of the digits | 17 |
| No of digits | 4 |