naravno število From Wikipedia, the free encyclopedia
85 (pétinósemdeset) je naravno število, za katero velja velja 85 = 84 + 1 = 86 - 1.
| |||
Glavni števnik | petinosemdeset | ||
Vrstilni števnik | petinosemdeseti | ||
Razcep | |||
Rimska številka | LXXXV | ||
Dvojiško | 1010101 | ||
Šestnajstiško | 55 | ||
Matematične lastnosti | |||
---|---|---|---|
φ(85) = 28 | |||
τ(85) = 4 {1, 5, 17, 85} | |||
σ(85) = 108 | |||
π(85) = 23 | |||
μ(85) = 1 | |||
M(85) = -3 |
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