Nope - 81 is a square number, and the next one is 100. 89 is actually a PRIME number
34, 55, 89, 144 is a portion of the Fibonacci sequence. The next number is 89 + 144 which is 233.
89.
This is the Fibonacci sequence where each new number is the sum of the last two numbers. So the next numbers are: 8 + 13 = 21 13 + 21 = 34 21 + 34 = 55 34 + 55 = 89 55 + 89 = 144
The positive integer factors of 89 are 1 and 89. 89 is a prime number.
97
90
Nope - 81 is a square number, and the next one is 100. 89 is actually a PRIME number
34, 55, 89, 144 is a portion of the Fibonacci sequence. The next number is 89 + 144 which is 233.
327
89.
145
This is the Fibonacci sequence where each new number is the sum of the last two numbers. So the next numbers are: 8 + 13 = 21 13 + 21 = 34 21 + 34 = 55 34 + 55 = 89 55 + 89 = 144
The positive integer factors of 89 are 1 and 89. 89 is a prime number.
89 is a prime number.
34, then 55, then 89, then 144, 223, 376, 599, 975, 1574
......89, 97, 101 http://primes.utm.edu/lists/small/1000.txt