1 was discovered by baskaracharya
Chat with our AI personalities
The two numbers are 1 and -9
999-111=888 888 3 digit numbers can be made with numbers between 1 - 9
There are 167960 9 digits combinations between numbers 1 and 20.
Add up all the numbers and then divide by how many numbers there are... *Example* -8, -1, 9, 16 -8 + -1= -9+9= 0+ 16=16 16 divided by four(there are four numbers) THe mean is 4!
The common factors are 1, 3 and 9.