207 (number)
| ||||
|---|---|---|---|---|
| Cardinal | two hundred seven | |||
| Ordinal |
207th (two hundred and seventh) | |||
| Factorization | 32× 23 | |||
| Divisors | 1, 3, 9, 23, 69, 207 | |||
| Roman numeral | CCVII | |||
| Binary | 110011112 | |||
| Ternary | 212003 | |||
| Quaternary | 30334 | |||
| Quinary | 13125 | |||
| Senary | 5436 | |||
| Octal | 3178 | |||
| Duodecimal | 15312 | |||
| Hexadecimal | CF16 | |||
| Vigesimal | A720 | |||
| Base 36 | 5R36 | |||
207 (two hundred [and] seven) is the natural number following 206 and preceding 208.
It is a Wedderburn-Etherington number.[1] There are exactly 207 different matchstick graphs with eight edges.[2][3]
References
- ↑ "Sloane's A001190 : Wedderburn-Etherington numbers". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ↑ "Sloane's A066951 : Number of nonisomorphic connected graphs that can be drawn in the plane using n unit-length edges". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- ↑ Salvia, Raffaele (2013), A catalog for matchstick graphs, arXiv:1303.5965
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