Is multiplication Comutitive in numbers
105921
Why do we have $ab=ba$?
106272
Do numbers exist independently from observers?
33510
Why is 4 not an instance of Number?
150309
Why do we assume $a+b=b+a$ in a Ring with 1. Also, is it true with Rings without 1?
101519
What is the condition for example $(number^c)^b=number^{cb}$ to be true?
114863
Representing a given number as the sum of two squares.
157261
I have simple multiplication confusion, any help would be great
65416
Is there a different way to define multiplication on Complex numbers?
59934
What is the term for a factorial type operation, but with summation instead of products?
51896
Prove that: set $\{1, 2, 3, ..., n - 1\}$ is group under multiplication modulo $n$?
26055
Multiplication by $0$ in a field
23971
Number agreement between subject and object
146443
Factorials, Simplify the addition and multiplication of factorials.
112644
The product of two numbers that can be written as the sum of two squares
116970
On the number divisors of a number
138569
Is the “sum of all natural numbers” unique?
47368
Is it essential to use comma in a big number?