205 (number)
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|---|---|---|---|---|
| Cardinal | two hundred five | |||
| Ordinal | 205th (two hundred fifth) |
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| Factorization | 5 × 41 | |||
| Divisors | 1, 5, 41, 205 | |||
| Roman numeral | CCV | |||
| Binary | 110011012 | |||
| Ternary | 211213 | |||
| Quaternary | 30314 | |||
| Quinary | 13105 | |||
| Senary | 5416 | |||
| Octal | 3158 | |||
| Duodecimal | 15112 | |||
| Hexadecimal | CD16 | |||
| Vigesimal | A520 | |||
| Base 36 | 5P36 | |||
205 (two hundred [and] five) is the natural number following 204 and preceding 206.
205 is a lucky number, and a Wolstenholme number. On an infinite chessboard, a knight can reach exactly 205 squares within four moves. There are 205 different ways of forming a connected graph by adding six edges to a set of five labeled vertices.
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