63

63 < 62 | 64 >
Numbers 0 - 99
0	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	26	27	28	29
30	31	32	33	34	35	36	37	38	39
40	41	42	43	44	45	46	47	48	49
50	51	52	53	54	55	56	57	58	59
60	61	62	63	64	65	66	67	68	69
70	71	72	73	74	75	76	77	78	79
80	81	82	83	84	85	86	87	88	89
90	91	92	93	94	95	96	97	98	99

63 (sixty-three) is a positive integer following 62 and preceding 64. Its ordinal form is written "sixty-third" or 63rd.

Properties

63 is an odd composite number.

In googology

• In Greek-based number-naming systems, 63 is associated with prefix "triahexaconta-", and with prefix "tresexaginti-" in Latin systems.
• The Fish numbers are heavily based on the number 63.