263
1. 263 is a Ramanujan prime.
Ramanujan prime is a prime number that satisfies a result proven by Srinivasa Ramanujan relating to the prime-counting function.
2. 263^2=69169 is a strobogrammatic number that appears the same rotated by 180 degree.
3. 263 = 43 + 47 + 53 + 59 + 61
(Sum of 5 Prime numbers).
4.It is a happy number. Read about Happy number in the following link.
5.It is a balanced prime.
263 = 257+ 269
2
6. It is a Chen Prime.
Thanks for reading
Dr Rajesh Kumar Thakur
Superb concept
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