Names of 285
| Nominal | 285 |
| Cardinal | two hundred eighty-five |
| Ordinal | 285th |
| This number as US currency | two hundred eighty-five dollars |
| Is 285 an odd number? | 285 is an odd number |
| Is 285 an even number? | 285 is NOT an even number |
| Is 285 a palindrome? | 285 is NOT a palindrome number |
| Is 285 a triangle number? | 285 is NOT a triangle number |
285 in other Bases
| Base 2 (Binary) | 1000111012 |
| Base 3 (Ternary) | 1011203 |
| Base 4 (Quaternary) | 101314 |
| Base 5 (Quinary) | 21205 |
| Base 6 (Senary) | 11536 |
| Base 8 (Octal) | 4358 |
| Base 12 (Duodecimal) | 1B912 |
| Base 16 (Hexadecimal) | 11D16 |
| Base 20 (Vigesimal) | E520 |
Primes and Factors tests for 285
| Is 285 a Prime Number? | 285 is NOT a prime |
| Is 285 a perfect number? | 285 is NOT a perfect number |
| Is 285 a Mersenne Prime? | 285 is NOT a Mersenne prime |
| Is 285 a Fermat Prime? | 285 is NOT a Fermat prime |
| Is 285 a Fibonacci Prime? | 285 is NOT a Fibonacci prime |
| Is 285 a Partition Prime? | 285 is NOT a Partition prime |
| Is 285 a Pell Prime? | 285 is NOT a Pell prime |
| Prime Factors | Prime factors of 285 |
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285 in other Numerals
| 285 in Roman Numeral | CCLXXXV |
| 285 in Chinese Numeral | 貳佰捌拾伍 |
| 285 in Egyptian Numeral | 𓍣𓎍𓏾 |
| 285 in Babylonian Numeral |   |
Roots and stuff for 285
| Is 285 a square number? | 285 is NOT a square number |
| Is 285 a cube number? | 285 is NOT a cube number |
| Square root of the number 285 | 16.881943016134 |
| Cube root of the number 285 | 6.5808443652414 |
Recreational math for 285
| Number 285 reversed | 582 |
| Sum of the digits | 15 |
| No of digits | 3 |