Wednesday, September 19, 2018

263 Mathematically

                                                           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

1 comment:

November 2, 2024