42 and so on
9, 18, 27, 36, 45, 54.
the factors of 1millon up to 26 are 1,2,4,5,8,10,16,20,25
27, 54, 81, 108, 136, 162, 189, 216
6 and 9
There are 11 multiples of 9 up to 100. 9 18 27 36 45 54 63 72 81 90 99
No. A factor is a number or algebraic expression by which another is exactly divisible. A multiple is a number that can be divided by another number without a remainder. Factors go into numbers, numbers go into multiples.
Add up its proper factors. If that sum is less than 54, it's deficient.
' 1 ' is a factor of every whole number . . . . . 100 of them' 2 ' is a factor of every even number . . . . . 50 of them' 3 ' has 33 multiples up to 100 . . . . . 33 of them' 4 ' has 25 multiples up to 100 . . . . . 25 of them' 5 ' has 20 multiples up to 100 . . . . . 20 of them' 6 ' has 16 multiples up to 100 . . . . . 16 of them' 7 ' has 14 multiples up to 100 . . . . . 14 of them' 8 ' has 12 multiples up to 100 . . . . . 12 of them' 9 ' has 11 multiples up to 100 . . . . . 11 of themTotal . . . . . . . . . . . . . . . . . . . . . . . . . 281 one-digit factors in all whole numbers 1 to 100 .
How about: 9+6 = 15
9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99.
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