178 (number)
Natural number From Wikipedia, the free encyclopedia
178 (one hundred [and] seventy-eight) is the natural number following 177 and preceding 179.
| ||||
|---|---|---|---|---|
| Cardinal | one hundred seventy-eight | |||
| Ordinal | 178th (one hundred seventy-eighth) | |||
| Factorization | 2 × 89 | |||
| Divisors | 1, 2, 89, 178 | |||
| Greek numeral | ΡΟΗ´ | |||
| Roman numeral | CLXXVIII, clxxviii | |||
| Binary | 101100102 | |||
| Ternary | 201213 | |||
| Senary | 4546 | |||
| Octal | 2628 | |||
| Duodecimal | 12A12 | |||
| Hexadecimal | B216 | |||
In mathematics
There are 178 biconnected graphs with six vertices, among which one is designated as the root and the rest are unlabeled.[1] There are also 178 median graphs on nine vertices.[2]
178 is one of the indexes of the smallest triple of dodecahedral numbers where one is the sum of the other two: the sum of the 46th and the 178th dodecahedral numbers is the 179th.[3]
See also
References
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