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What do the numbers 4 9 25 49 81 have in common?
all square numbers
What two numbers can go into 81?
9 x 9 = 81 These numbers go into 81: 1, 3, 9, 27, 81.
Which square numbers between 20 and 100 are also odd numbers?
25, 49, 81 To satisfy your criterion, you need the square of an odd number.
From 1 to 100 which numbers have a odd number of factors?
Square numbers: 1, 4, 9, 16, 25, 36, 49, 64, 81, 100
What goes into both numbers evenly go in 40 and 25?
1 and 5.
If the sum of three consecutive odd numbers is 81 what is the smallest number?
25 (25+27+29=81)
Why are 36 81 and 25 special numbers?
They are 'square' numbers. 6x6=36, 9x9=81 and 5x5=25. Some other square numbers are 64, 4, 9, 100 & 121
What numbers go into 25 and 81?
Just the number 1.
What 2 square numbers make 106?
25 and 81
What do the numbers 4 9 25 49 81 have in common?
all square numbers
What numbers goes into 81?
Any of its factors which are: 1, 3, 9, 27 and 81
What goes in to 25?
The numbers that go into 25 is 1,5 and 25.
What number goes into both 64 and 81?
1. The numbers are co-prime
What goes into 243?
These numbers: 1, 3, 9, 27, 81, 243.
What number does not belong to this sequence of numbers 9 25 49 81 121 and 169 giving a valid reason why not?
It must be 81 because 9 squared is 81 and 9 is not a prime number whereas the other numbers are squared prime numbers.
What are three consecutive odd integers that equal 81?
(x) + (x + 2) + (x + 4) = 81 3x + 6 = 81 3x = 75 x = 25 The three numbers are 25, 27, and 29
What number goes into 300 and 25?
The HCF of the given numbers is 25
