naravno število From Wikipedia, the free encyclopedia
72 (dváinsédemdeset) je naravno število, za katero velja velja 72 = 71 + 1 = 73 - 1.
| |||
Glavni števnik | dvainsedemdeset | ||
Vrstilni števnik | dvainsedemdeseti | ||
Razcep | |||
Rimska številka | LXXII | ||
Dvojiško | 1001000 | ||
Šestnajstiško | 48 | ||
Matematične lastnosti | |||
---|---|---|---|
φ(72) = 24 | |||
τ(72) = 12 {1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72} | |||
σ(72) = 195 | |||
π(72) = 20 | |||
μ(72) = 0 | |||
M(72) = -3 |
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