Factorial

Selected members of the factorial sequence Template:OEIS; values specified in scientific notation are rounded to the displayed precision

n	n!
0	1
1	1
2	2
3	6
4	24
5	120
6	720
7	Template:Gaps
8	Template:Gaps
9	Template:Gaps
10	Template:Gaps
11	Template:Gaps
12	Template:Gaps
13	Template:Gaps
14	Template:Gaps
15	Template:Gaps
16	Template:Gaps
17	Template:Gaps
18	Template:Gaps
19	Template:Gaps
20	Template:Gaps
25	Template:Val
50	Template:Val
70	Template:Val
100	Template:Val
450	Template:Val
Template:Gaps	Template:Val
Template:Gaps	Template:Val
Template:Gaps	Template:Val
Template:Gaps	Template:Val
Template:Gaps	Template:Val
Template:Gaps	Template:Val
Template:Gaps	Template:Val
[[googol|Template:Val]]	10Template:Val

In mathematics, the factorial o a non-negative integer n, denotit bi n!, is the product o aw positive integers less nor or equal tae n. For example,

$5!=5\times 4\times 3\times 2\times 1=120.\$