Completing
the sequence
Answer: 103
These are happy prime numbers. A happy number is when the sum of the square
of the digits, when
repeated, terminate with the number 1. Example: 13 -> 1^2 + 3^2 = 10
->
1^2 + 0^2 = 1. A happy prime number skips all numbers that are
not prime. Here is a list of prime numbers:
2,
3,
5,
7,
11,
13,
17,
19,
23,
29,
31,
37,
41,
43
Here is a list of happy prime
numbers: