NUMBERS IN INDIAN AND INTERNATIONAL SYSTEM

INTRODUCING UNIT, NUMBER, NUMERAL AND NUMERATION

NUMBERS IN INDIAN AND INTERNATIONAL SYSTEM

In mathematics unit means a single thing.

For example, a pen, a book, a girl, etc.

A unit is the first and lowest natural number as a standard of measurement.

The number written before the name of a unit indicates how many times that unit is taken.

For example, 6kg means; the number 6 is written before the unit kg.

Unit kg (kilogram) is taken 6 times.

NUMERAL AND NUMERATION

A numeral is a symbol representing a given number and numeration represents that number in words.

Number	Numeral	Numeration
2	2	two
36	36	thirty-six
0	0	zero

HINDU-ARABIC (INDIAN) SYSTEM OF NUMERATION

The Indian system of numeration is in fact the decimal system that is in use all over the world. This system was developed by the ancient Hindu-Mathematicians in India and was carried to West by the Arabs. For this reason, it is called the Hindu-Arabic system of numeration.

In India system, which is also known as denary system, the ten symbols 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9 are used to write a numeral (number). Each of these ten symbols is called a digit.

In Indian system, also known as Hindu Arabic System and in International sysytem of numeration, to read and write large quantities with ease, the group's are made with certain periods as shown below.

Indian system	Figures	International system	Figures
Unit	1	Ones	1
Tens	10	Tens	10
1 Hundred	100	1 Hundred	100
1 Thousand	1000	1 Thousand	1000
10 Thousands	10000	10 Thousands	10000
1 Lakh	100000	100 Thousands	100000
10 Lakhs	1000000	1 Million	1000000
1 Crore	10000000	10 Millions	10000000
10 Crores	100000000	100 Millions	100000000
1 Arab	1000000000	1 Billion	1000000000
10 Arabs	10000000000	10 Billions	10000000000
1 Kharab	100000000000	100 Billions	100000000000
10 Kharabs	1000000000000	1 Trillion	1000000000000
1 Neel	10000000000000	10 Trillions	10000000000000
10 Neels	100000000000000	100 Trillions	100000000000000
1 Padam	1000000000000000	1 Quadrillion	1000000000000000
10 Padam	10000000000000000	10 Quadrillions	10000000000000000
1 Shankh	100000000000000000	100 Quadrillions	100000000000000000
10 Shankh	1000000000000000000	1 Quintillion	1000000000000000000
Maha-Shankh	10000000000000000000	10 Quintillions	10000000000000000000