Names of 255
| Nominal | 255 |
| Cardinal | two hundred fifty-five |
| Ordinal | 255th |
| This number as US currency | two hundred fifty-five dollars |
| Is 255 an odd number? | 255 is an odd number |
| Is 255 an even number? | 255 is NOT an even number |
| Is 255 a palindrome? | 255 is NOT a palindrome number |
| Is 255 a triangle number? | 255 is NOT a triangle number |
255 in other Bases
| Base 2 (Binary) | 111111112 |
| Base 3 (Ternary) | 1001103 |
| Base 4 (Quaternary) | 33334 |
| Base 5 (Quinary) | 20105 |
| Base 6 (Senary) | 11036 |
| Base 8 (Octal) | 3778 |
| Base 12 (Duodecimal) | 19312 |
| Base 16 (Hexadecimal) | FF16 |
| Base 20 (Vigesimal) | CF20 |
Primes and Factors tests for 255
| Is 255 a Prime Number? | 255 is NOT a prime |
| Is 255 a perfect number? | 255 is NOT a perfect number |
| Is 255 a Mersenne Prime? | 255 is NOT a Mersenne prime |
| Is 255 a Fermat Prime? | 255 is NOT a Fermat prime |
| Is 255 a Fibonacci Prime? | 255 is NOT a Fibonacci prime |
| Is 255 a Partition Prime? | 255 is NOT a Partition prime |
| Is 255 a Pell Prime? | 255 is NOT a Pell prime |
| Prime Factors | Prime factors of 255 |
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255 in other Numerals
| 255 in Roman Numeral | CCLV |
| 255 in Chinese Numeral | 貳佰伍拾伍 |
| 255 in Egyptian Numeral | 𓍣𓎊𓏾 |
| 255 in Babylonian Numeral |   |
Roots and stuff for 255
| Is 255 a square number? | 255 is NOT a square number |
| Is 255 a cube number? | 255 is NOT a cube number |
| Square root of the number 255 | 15.968719422671 |
| Cube root of the number 255 | 6.341325705385 |
Recreational math for 255
| Number 255 reversed | 552 |
| Sum of the digits | 12 |
| No of digits | 3 |