9 (skaitlis)

9 ir kārtas skaitlis, kurš atrodas starp 8 un 10.

Pieraksts citās skaitīšanas sistēmās

Reizināšana	1	2	3	4	5	6	7	8	9	10		11	12	13	14	15	16	17	18	19	20		21	22	23	24	25		50	100	1000
$9 \times x$	9	18	27	36	45	54	63	72	81	90		99	108	117	126	135	144	153	162	171	180		189	198	207	216	225		450	900	9000

Dalīšana	1	2	3	4	5	6	7	8	9	10		11	12	13	14	15
$9 \div x$	9	4.5	3	2.25	1.6	1.5	$1.\overline{285714}$	1.125	1	0.9		$0.\overline{81}$	0.75	$0.\overline{692307}$	$0.6\overline{428571}$	0.6
$x \div 9$	$0.\overline{1}$	$0.\overline{2}$	$0.\overline{3}$	$0.\overline{4}$	$0.\overline{5}$	$0.\overline{6}$	$0.\overline{7}$	$0.\overline{8}$	1	$1.\overline{1}$		$1.\overline{2}$	$1.\overline{3}$	$1.\overline{4}$	$1.\overline{5}$	$1.\overline{6}$

Pakāpes	1	2	3	4	5	6	7	8	9	10		11	12	13
$9 ^ x\,$	9	81	729	6561	59049	531441	4782969	43046721	387420489	3486784401		31381059609	282429536481	2541865828329
$x ^ 9\,$	1	512	19683	262144	1953125	10077696	40353607	134217728	387420489	1000000000		2357947691	5159780352	10604499373