A three-digit number has the same hundreds, tens and units digit.  The sum of the prime factors of the number is 47. What is the three-digit number?
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
A three-digit number has the same hundreds, tens and units digit.  The sum of the prime factors of the number is 47. What is the three-digit number?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
777
A three-digit number has the same hundreds, tens and units digit.  The sum of the prime factors of the number is 47. What is the three-digit number?
train