227 (number)
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|---|---|---|---|---|
| Cardinal | two hundred twenty-seven | |||
| Ordinal | 227th (two hundred twenty-seventh) |
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| Factorization | prime | |||
| Prime | yes | |||
| Roman numeral | CCXXVII | |||
| Binary | 111000112 | |||
| Ternary | 221023 | |||
| Quaternary | 32034 | |||
| Quinary | 14025 | |||
| Senary | 10156 | |||
| Octal | 3438 | |||
| Duodecimal | 16B12 | |||
| Hexadecimal | E316 | |||
| Vigesimal | B720 | |||
| Base 36 | 6B36 | |||
227 (two hundred [and] twenty-seven) is the natural number between 226 and 228. It is also a prime number.
227 is a twin prime and the start of a prime triplet (with 229 and 233). It is a safe prime, as dividing it by two and rounding down produces the Sophie Germain prime 113. It is also a regular prime, a Pillai prime, a Stern prime, and a Ramanujan prime.
The 227th harmonic number is the first to exceed six. There are 227 different connected graphs with eight edges, and 227 independent sets in a 3 × 4 grid graph.
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