218 (number)
218 (two hundred [and] eighteen) is the natural number following 217 and preceding 219.
- The code for international direct dial phone calls to Libya.
- Mertens function(218) = 3, a record high.[1]
- 218 is nontotient and also noncototient.[2]
- 218 is the number of inequivalent ways to color the 12 edges of a cube using at most 2 colors, where two colorings are equivalent if they differ only by a rotation of the cube.
- § 218 of the German StGB legal code is the section that relates to abortion.
- As of 2008, 218 votes are required in the US House of Representatives to achieve a majority.[3]
- .218 Bee, firearm cartridge
- The years 218 and 218 BC
- 218TV a Libyan satellite channel.
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| Cardinal | two hundred eighteen | |||
| Ordinal | 218th (two hundred eighteenth) | |||
| Factorization | 2 × 109 | |||
| Greek numeral | ΣΙΗ´ | |||
| Roman numeral | CCXVIII | |||
| Binary | 110110102 | |||
| Ternary | 220023 | |||
| Quaternary | 31224 | |||
| Quinary | 13335 | |||
| Senary | 10026 | |||
| Octal | 3328 | |||
| Duodecimal | 16212 | |||
| Hexadecimal | DA16 | |||
| Vigesimal | AI20 | |||
| Base 36 | 6236 | |||
References
- Sloane, N. J. A. (ed.). "Sequence A051400 (Smallest value of x such that M(x)=n, where M() is Mertens's function)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- Sloane, N. J. A. (ed.). "Sequence A058763 (Integers which are neither totient nor cototient)". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
- http://news.bbc.co.uk/2/hi/americas/7652112.stm
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