**en.wikipedia.org**/wiki/**Natural_number**

Two important generalizations of natural numbers arise from the two uses of counting and ordering: cardinal numbers and ordinal numbers. A natural number can be used to express the size of a finite set; more precisely, a cardinal number is a measure for the size of a set, which is even suitable for infinite sets.

**en.wikipedia.org**/wiki/**26**_(**number**)

26 (twenty-six) is the natural number following 25 and preceding 27. In mathematics. Poster designed to depict the speciality of the number 26. 26 is the only integer that is one greater than a square (5 2 + 1) and one less than a cube (3 3 − 1). A rhombicuboctahedron has ...

**www.mathsisfun.com**/definitions/**natural-number**.html

Illustrated definition of Natural Number: The whole numbers from 1 upwards: 1, 2, 3, and so on ... Or from 0 upwards in some fields of mathematics:...

**www.justanswer.com**/math-homework/5fq3c-choose-**natural**...

Choose a natural number between 1 and 26, inclusive. What is the probability that the number is a multiple of 3? - Answered by a verified Math Tutor or Teacher

**whatis.techtarget.com**/definition/**natural**-**number**

A natural number is a number that occurs commonly and obviously in nature. As such, it is a whole, non-negative number. The set of natural numbers, denoted N, can be defined in either of two ways:

www.answers.com/Q/Is_5.25_**a_natural_number**

Difference of two natural numbers is not always a natural number. For any two natural numbers a and b, a-b = natural number only when a>b. Otherwise the result is a integer. No, e.g.6 - 10 = -4.-4 ...

study.com/academy/lesson/**is-zero-a-natural-number**.html

Well, in this lesson, you'll learn about counting and natural numbers, how to identify natural numbers, and if zero is a natural number at all. Let's Count Quickly count the numbers one to twenty.

**simple.wikipedia.org**/wiki/**Natural_number**

Natural numbers, also called counting numbers, are the numbers used for counting things. Natural numbers are the number small children learn about when first starting to count. Natural numbers are always whole numbers (integers excluding Negative numbers) excluding zero. One is the smallest natural number.. There is no largest natural number.

www.answers.com/Q/**Is_23_a_natural_number**

As 23 is a prime number, its only factor other than itself is … 1.\n\nAnother example of a deficient number close to 23 is 26 - its factors, other than itself, are 1, 2, and 13, which, added ...

math.stackexchange.com/questions/223521/a2-b2-x-where-a-b...

To find pairs of numbers which gives product 100 ,(trick is take corresponding numbers comming from opposite ends from the list above ) so 100 = 1*100 , 2*50 , 4*25 , 5*20 ( dont take the middle number in case the number is itself as square like 100 = 10^2) here the pair which satisfies the condition is