Names of 266
| Nominal | 266 |
| Cardinal | two hundred sixty-six |
| Ordinal | 266th |
| This number as US currency | two hundred sixty-six dollars |
| Is 266 an odd number? | 266 is NOT an odd number |
| Is 266 an even number? | 266 is an even number |
| Is 266 a palindrome? | 266 is NOT a palindrome number |
| Is 266 a triangle number? | 266 is NOT a triangle number |
266 in other Bases
| Base 2 (Binary) | 1000010102 |
| Base 3 (Ternary) | 1002123 |
| Base 4 (Quaternary) | 100224 |
| Base 5 (Quinary) | 20315 |
| Base 6 (Senary) | 11226 |
| Base 8 (Octal) | 4128 |
| Base 12 (Duodecimal) | 1A212 |
| Base 16 (Hexadecimal) | 10A16 |
| Base 20 (Vigesimal) | D620 |
Primes and Factors tests for 266
| Is 266 a Prime Number? | 266 is NOT a prime |
| Is 266 a perfect number? | 266 is NOT a perfect number |
| Is 266 a Mersenne Prime? | 266 is NOT a Mersenne prime |
| Is 266 a Fermat Prime? | 266 is NOT a Fermat prime |
| Is 266 a Fibonacci Prime? | 266 is NOT a Fibonacci prime |
| Is 266 a Partition Prime? | 266 is NOT a Partition prime |
| Is 266 a Pell Prime? | 266 is NOT a Pell prime |
| Prime Factors | Prime factors of 266 |
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266 in other Numerals
| 266 in Roman Numeral | CCLXVI |
| 266 in Chinese Numeral | 貳佰陸拾陸 |
| 266 in Egyptian Numeral | 𓍣𓎋𓏿 |
| 266 in Babylonian Numeral |   |
Roots and stuff for 266
| Is 266 a square number? | 266 is NOT a square number |
| Is 266 a cube number? | 266 is NOT a cube number |
| Square root of the number 266 | 16.3095064303 |
| Cube root of the number 266 | 6.4312275913796 |
Recreational math for 266
| Number 266 reversed | 662 |
| Sum of the digits | 14 |
| No of digits | 3 |