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Numbers
Numbers are our way to quantify, label, and organize the world around us in a logical manner. However, the systems used to obtain this goal differ geographically, historically, and by relative utility. All questions pertaining to numbers, including historic labeling systems, bases of numerical systems, constants, and the various ways they're grouped together, should be placed into this category.
46,867 Questions
What is mean by prime numbers?
A prime number is a positive integer that has only two factors: one and itself.
A composite number is a positive integer that has more than two factors.
Yes. All numbers that do not give a decimal-free number when divided by 2 are odd numbers. We get 15/2=7.5 => 15 is an odd number;)
Is there palindrome in decimal fraction?
Just as 12321 is a palindrome, .12321 is, also. 123.321 is also palindromic.
Is 87091973 a prime number or a composite number?
87091973 is prime. It is only evenly divisible by itself and one.
How do you multiply a 6 digit numbers by a decimal?
i really dont know. figure it out or ask a math geek
Is there such thing as a googol?
Yes - a googol is a number equal to 1 followed by 100 zeroes.
A similar number, the googolplex, is the number 1 followed by 10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 (a googol) zeroes.
What are all the prime number from 2-120?
2 3 5 7 11 13 17 19 23 29
31 37 41 43 47 53 59 61 67 71
73 79 83 89 97 101 103 107 109 113
What are the prime numbers from 1 to 130?
2 3 5 7 11 13 17 19 23 29
31 37 41 43 47 53 59 61 67 71
73 79 83 89 97 101 103 107 109 113
127
How does the average speed of light in glass compare with its speed in vacuum?
Depends on the refractive index of the medium itself
It can't be done!
In 1 to 100 how many are they is even number and what are they?
49
02 04 06 08
10 12 14 16 18
20 22 24 26 28
30 32 34 36 38
40 42 44 46 48
50 52 54 56 58
60 62 64 66 68
70 72 74 76 78
80 82 84 86 88
90 92 94 96 98
