Read More
Date: 30-10-2019
880
Date: 22-11-2020
2027
Date: 24-12-2020
697
|
Let and denote the number and sum of the divisors of , respectively (i.e., the zeroth- and first-order divisor functions). A number is called sublime if and are both perfect numbers. The only two known sublime numbers are 12 and
(Math Pages). It is not known if any odd sublime number exists.
REFERENCES:
MathPages. "Sublime Numbers." https://www.mathpages.com/home/kmath202.htm.
|
|
دراسة تحدد أفضل 4 وجبات صحية.. وأخطرها
|
|
|
|
|
العتبة العباسية تستعدّ لتكريم عددٍ من الطالبات المرتديات للعباءة الزينبية في جامعات كركوك
|
|
|