System Of Numeration

There are two types of systems of numeration. Indian and international System of Numeration.

Indian System of Numeration

Indian Place Value Chart

Indian system of numeration use ones, tens, hundreds, thousands, lakhs, crores to represent numbers.

Indian System of Numeration

The relationship between them is:

• 1 hundred = 10 tens
• 1 thousand = 10 hundreds = 100 tens
• 1 lakh = 100 thousands = 1000 hundreds
• 1 crore = 100 lakhs = 10,000 thousands

International System Of Numeration

International System Of Numeration use ones, tens, hundreds, thousands, millions, billions to represent numbers.

The relationship between them is:

• 1 hundred = 10 tens
• 1 thousand = 10 hundreds = 100 tens
• 1 million = 1000 thousands
• 1 billion = 1000 million

Note:

• 0 is the smallest one-digit number and 9 is the largest one-digit number.
• 10 is the smallest two-digit number and 99 is the largest two-digit number.
• 100 is the smallest three-digit number and 999 is the largest three-digit number.
• 1000 is the smallest four-digit number and 9999 is the largest four-digit number.

Numbers, Their Names And Roman Numerals

Number	Number Name	Roman Numeral
1	One	I
2	Two	II
3	Three	III
4	Four	IV
5	Five	V
6	Six	VI
7	Seven	VII
8	Eight	VIII
9	Nine	IX
10	Ten	X
11	Eleven	XI
12	Twelve	XII
13	Thirteen	XIII
14	Fourteen	XIV
15	Fifteen	XV
16	Sixteen	XVI
17	Seventeen	XVII
18	Eighteen	XVIII
19	Nineteen	XIX
20	Twenty	XX
21	Twenty one	XXI
22	Twenty two	XXII
23	Twenty three	XXIII
24	Twenty four	XXIV
25	Twenty five	XXV
26	Twenty six	XXVI
27	Twenty seven	XXVII
28	Twenty eight	XXVIII
29	Twenty nine	XXIX
30	Thirty	XXX
31	Thirty one	XXXI
32	Thirty two	XXXII
33	Thirty three	XXXIII
34	Thirty four	XXXIV
35	Thirty five	XXXV
36	Thirty six	XXXVI
37	Thirty seven	XXXVII
38	Thirty eight	XXXVIII
39	Thirty nine	XXXIX
40	Forty	XL
41	Forty one	XLI
42	Forty two	XLII
43	Forty three	XLIII
44	Forty four	XLIV
45	Forty five	XLV
46	Forty six	XLVI
47	Forty seven	XLVII
48	Forty eight	XLVIII
49	Forty nine	XLIX
50	Fifty	L
51	Fifty one	LI
52	Fifty two	LII
53	Fifty three	LIII
54	Fifty four	LIV
55	Fifty five	LV
56	Fifty six	LVI
57	Fifty seven	LVII
58	Fifty eight	LVII
59	Fifty nine	LIX
60	Sixty	LX
61	Sixty one	LXI
62	Sixty two	LXII
63	Sixty three	LXIII
64	Sixty four	LXIV
65	Sixty five	LXV
66	Sixty six	LXVI
67	Sixty seven	LXVII
68	Sixty eight	LXVIII
69	Sixty nine	LXIX
70	Seventy	LXX
71	Seventy one	LXXI
72	Seventy two	LXXII
73	Seventy three	LXXIII
74	Seventy four	LXXIV
75	Seventy five	LXXV
76	Seventy six	LXXVI
77	Seventy seven	LXXVII
78	Seventy eight	LXXVIII
79	Seventy nine	LXXIX
80	Eighty	LXXX
81	Eighty one	LXXXI
82	Eighty two	LXXXII
83	Eighty three	LXXXIII
84	Eighty four	LXXXIV
85	Eighty five	LXXXV
86	Eighty six	LXXXVI
87	Eighty seven	LXXXVII
88	Eighty eight	LXXXVIII
89	Eighty nine	LXXXIX
90	Ninety	XC
91	Ninety one	XCI
92	Ninety two	XCII
93	Ninety three	XCIII
94	Ninety four	XCIV
95	Ninety five	XCV
96	Ninety six	XCVI
97	Ninety seven	XCVII
98	Ninety eight	XCVIII
99	Ninety nine	XCIX
100	Hundred	C

Always Remember

• I = 1 (one)
• V = 5 (Five)
• X = 10 (Ten)
• L = 50 (Fifty)
• C = 100 (Hundred)
• D = 500 (Five Hundred)
• M = 1000 (thousands)