Names of 205
| Nominal | 205 |
| Cardinal | two hundred five |
| Ordinal | 205th |
| This number as US currency | two hundred five dollars |
| Is 205 an odd number? | 205 is an odd number |
| Is 205 an even number? | 205 is NOT an even number |
| Is 205 a palindrome? | 205 is NOT a palindrome number |
| Is 205 a triangle number? | 205 is NOT a triangle number |
205 in other Bases
| Base 2 (Binary) | 110011012 |
| Base 3 (Ternary) | 211213 |
| Base 4 (Quaternary) | 30314 |
| Base 5 (Quinary) | 13105 |
| Base 6 (Senary) | 5416 |
| Base 8 (Octal) | 3158 |
| Base 12 (Duodecimal) | 15112 |
| Base 16 (Hexadecimal) | CD16 |
| Base 20 (Vigesimal) | A520 |
Primes and Factors tests for 205
| Is 205 a Prime Number? | 205 is NOT a prime |
| Is 205 a perfect number? | 205 is NOT a perfect number |
| Is 205 a Mersenne Prime? | 205 is NOT a Mersenne prime |
| Is 205 a Fermat Prime? | 205 is NOT a Fermat prime |
| Is 205 a Fibonacci Prime? | 205 is NOT a Fibonacci prime |
| Is 205 a Partition Prime? | 205 is NOT a Partition prime |
| Is 205 a Pell Prime? | 205 is NOT a Pell prime |
| Prime Factors | Prime factors of 205 |
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205 in other Numerals
| 205 in Roman Numeral | CCV |
| 205 in Chinese Numeral | 貳佰伍 |
| 205 in Egyptian Numeral | 𓍣𓏾 |
| 205 in Babylonian Numeral |   |
Roots and stuff for 205
| Is 205 a square number? | 205 is NOT a square number |
| Is 205 a cube number? | 205 is NOT a cube number |
| Square root of the number 205 | 14.317821063276 |
| Cube root of the number 205 | 5.8963685399704 |
Recreational math for 205
| Number 205 reversed | 502 |
| Sum of the digits | 7 |
| No of digits | 3 |