Names of 1261
| Nominal | 1261 |
| Cardinal | one thousand two hundred sixty-one |
| Ordinal | 1,261st |
| This number as US currency | one thousand two hundred sixty-one dollars |
| Is 1261 an odd number? | 1261 is an odd number |
| Is 1261 an even number? | 1261 is NOT an even number |
| Is 1261 a palindrome? | 1261 is NOT a palindrome number |
| Is 1261 a triangle number? | 1261 is NOT a triangle number |
1261 in other Bases
| Base 2 (Binary) | 100111011012 |
| Base 3 (Ternary) | 12012013 |
| Base 4 (Quaternary) | 1032314 |
| Base 5 (Quinary) | 200215 |
| Base 6 (Senary) | 55016 |
| Base 8 (Octal) | 23558 |
| Base 12 (Duodecimal) | 89112 |
| Base 16 (Hexadecimal) | 4ED16 |
| Base 20 (Vigesimal) | 33120 |
Primes and Factors tests for 1261
| Is 1261 a Prime Number? | 1261 is NOT a prime |
| Is 1261 a perfect number? | 1261 is NOT a perfect number |
| Is 1261 a Mersenne Prime? | 1261 is NOT a Mersenne prime |
| Is 1261 a Fermat Prime? | 1261 is NOT a Fermat prime |
| Is 1261 a Fibonacci Prime? | 1261 is NOT a Fibonacci prime |
| Is 1261 a Partition Prime? | 1261 is NOT a Partition prime |
| Is 1261 a Pell Prime? | 1261 is NOT a Pell prime |
| Prime Factors | Prime factors of 1261 |
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1261 in other Numerals
| 1261 in Roman Numeral | MCCLXI |
| 1261 in Chinese Numeral | 壹仟貳佰陸拾壹 |
| 1261 in Egyptian Numeral | 𓆼𓍣𓎋𓏺 |
| 1261 in Babylonian Numeral |   |
Roots and stuff for 1261
| Is 1261 a square number? | 1261 is NOT a square number |
| Is 1261 a cube number? | 1261 is NOT a cube number |
| Square root of the number 1261 | 35.510561809129 |
| Cube root of the number 1261 | 10.803679587548 |
Recreational math for 1261
| Number 1261 reversed | 1621 |
| Sum of the digits | 10 |
| No of digits | 4 |