Its the thirteenth number.
It's abosolute value is 13.
It's opposite is -13.
If you add 87 to it, it equals 100.
It's before 14.
It's after 12.
Its a natural number.
13x2 is 26.
It's a real number.
Its rational (it can be turned into a fraction).
(Just for fun.) It is supposedly an unlucky number.
Wiki User
∙ 2009-09-26 00:42:50It is the 6th prime number.
Since 13 is a prime number, the only factors that it has are 1 and 13.
7 6 8 5 9 4 10 3 11 2 12 1 13 0
11+9 12+8 10+10 13+7 14+6 15+5 16+4 17+3 18+2 19+1 these are the 20 facts hope it helps u :)
Practice math facts.
13 is not an unlucky number it is superstitious. I love the number 13
13 is an even #
13/10
13/10
13
1 13 is a prime number.
13 tenths is 13/10