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  2. Indian numbering system - Wikipedia

    en.wikipedia.org/wiki/Indian_numbering_system

    For example: 150,000 rupees is "1.5 lakh rupees" which can be written as "1,50,000 rupees", and 30,000,000 (thirty million) rupees is referred to as "3 crore rupees" which is can be written as "3,00,00,000 rupees". There are names for numbers larger than crore, but they are less commonly used. These include arab (100 crore, 1 billion), kharab ...

  3. Cube (algebra) - Wikipedia

    en.wikipedia.org/wiki/Cube_(algebra)

    The cube of a number or any other mathematical expression is denoted by a superscript 3, for example 2 3 = 8 or (x + 1) 3. The cube is also the number multiplied by its square: n 3 = n × n 2 = n × n × n. The cube function is the function x ↦ x 3 (often denoted y = x 3) that maps a number to its cube. It is an odd function, as (−n) 3 ...

  4. 10,000,000 - Wikipedia

    en.wikipedia.org/wiki/10,000,000

    10,000,019 = smallest 8-digit prime number; 10,001,628 = smallest triangular number with 8 digits and the 4,472nd triangular number; 10,004,569 = 3163 2, the smallest 8-digit square

  5. 1,000,000 - Wikipedia

    en.wikipedia.org/wiki/1,000,000

    The million is sometimes used in the English language as a metaphor for a very large number, as in "Not in a million years" and "You're one in a million", or a hyperbole, as in "I've walked a million miles" and "You've asked a million-dollar question". 1,000,000 is also the square of 1000 and also the cube of 100.

  6. Crore - Wikipedia

    en.wikipedia.org/wiki/Crore

    Crore (/ k r ɔːr /; abbreviated cr) denotes the quantity ten million (10 7) and is equal to 100 lakh in the Indian numbering system.In many international contexts, the decimal quantity is formatted as 10,000,000, but when used in the context of the Indian numbering system, the quantity is usually formatted 1,00,00,000.

  7. Coin problem - Wikipedia

    en.wikipedia.org/wiki/Coin_problem

    Hence, if it is not 1, then there are always arbitrarily large numbers that cannot be obtained as sums. For example, if you had two types of coins valued at 6 cents and 14 cents, the GCD would equal 2, and there would be no way to combine any number of such coins to produce a sum which was an odd number ; additionally, even numbers 2, 4, 8, 10 ...

  8. Triangular number - Wikipedia

    en.wikipedia.org/wiki/Triangular_number

    A square whose side length is a triangular number can be partitioned into squares and half-squares whose areas add to cubes. This shows that the square of the n th triangular number is equal to the sum of the first n cube numbers. Also, the square of the n th triangular number is the same as the sum of the cubes of the integers 1 to n.

  9. 1,000,000,000 - Wikipedia

    en.wikipedia.org/wiki/1,000,000,000

    This is an accepted version of this page This is the latest accepted revision, reviewed on 24 December 2024. See also: Orders of magnitude (numbers) and Long and short scales Natural number 1000000000 List of numbers Integers ← 10 0 10 1 10 2 10 3 10 4 10 5 10 6 10 7 10 8 10 9 Cardinal One billion (short scale) One thousand million, or one milliard (long scale) Ordinal One billionth (short ...