Names of 85
| Nominal | 85 |
| Cardinal | eighty-five |
| Ordinal | 85th |
| This number as US currency | eighty-five dollars |
| Is 85 an odd number? | 85 is an odd number |
| Is 85 an even number? | 85 is NOT an even number |
| Is 85 a palindrome? | 85 is NOT a palindrome number |
| Is 85 a triangle number? | 85 is NOT a triangle number |
85 in other Bases
| Base 2 (Binary) | 10101012 |
| Base 3 (Ternary) | 100113 |
| Base 4 (Quaternary) | 11114 |
| Base 5 (Quinary) | 3205 |
| Base 6 (Senary) | 2216 |
| Base 8 (Octal) | 1258 |
| Base 12 (Duodecimal) | 7112 |
| Base 16 (Hexadecimal) | 5516 |
| Base 20 (Vigesimal) | 4520 |
Primes and Factors tests for 85
| Is 85 a Prime Number? | 85 is NOT a prime |
| Is 85 a perfect number? | 85 is NOT a perfect number |
| Is 85 a Mersenne Prime? | 85 is NOT a Mersenne prime |
| Is 85 a Fermat Prime? | 85 is NOT a Fermat prime |
| Is 85 a Fibonacci Prime? | 85 is NOT a Fibonacci prime |
| Is 85 a Partition Prime? | 85 is NOT a Partition prime |
| Is 85 a Pell Prime? | 85 is NOT a Pell prime |
| Prime Factors | Prime factors of 85 |
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85 in other Numerals
| 85 in Roman Numeral | LXXXV |
| 85 in Chinese Numeral | 捌拾伍 |
| 85 in Egyptian Numeral | 𓎍𓏾 |
| 85 in Babylonian Numeral |   |
Roots and stuff for 85
| Is 85 a square number? | 85 is NOT a square number |
| Is 85 a cube number? | 85 is NOT a cube number |
| Square root of the number 85 | 9.2195444572929 |
| Cube root of the number 85 | 4.3968296721582 |
Recreational math for 85
| Number 85 reversed | 58 |
| Sum of the digits | 13 |
| No of digits | 2 |