65.......but there is a slight problem.
The sequence appears to be a(n) = n3 + 1 apart from the first term which should be 2 as 13 + 1 = 2
1
23 + 1 = 9
33 + 1 = 28
43 + 1 = 65.....the missing number
53 + 1 = 126
63 + 1 = 217
Yes, the fraction 217 over 126 can be reduced. The greatest common divisor (GCD) of 217 and 126 is 1, which means they have no common factors other than 1. Therefore, 217/126 is already in its simplest form and cannot be reduced further.
217 = 11011001
1, 7, 31, 217
Besides 1 and 217, 7 and 31
The number 217 written in roman numerals is: CCXVII
Yes, the fraction 217 over 126 can be reduced. The greatest common divisor (GCD) of 217 and 126 is 1, which means they have no common factors other than 1. Therefore, 217/126 is already in its simplest form and cannot be reduced further.
217 = 11011001
217 is already a whole number.
217 isn't prime. It's factors are 1,7,31 and 217.
217 is not a prime number. 7 and 31 are factors of 217 besides one and itself.
217 is an Illinois number
1, 7, 31, 217
Besides 1 and 217, 7 and 31
The number 217 written in roman numerals is: CCXVII
15.5
It is: (14+217)/2 = 115.5
7 and 31 go into 217 evenly.