friendly number
friendly number · friendly numbers
A number that shares its abundancy with another positive integerA number that shares its abundancy with another positive integer.
Значение
значений: 1A number that shares its abundancy with another positive integer.
The number 30 is a friendly number because both 30 and 140 have an abundancy index of 2.4.
Формы
мн. число: friendly numbers| Ед. число | friendly number |
|---|---|
| Мн. число | friendly numbers |
правильный