Thirty Eight (38)
1. The only possible magic hexagon has the magical constant as 38. The following magic hexagon has the digits from 1 to 19.
2. It is the largest known even number which can be represented as the sum of two distinct primes in one and only one way.
38 = 31 + 7
3. It is the sum of squares of first three primes.
38 = 2^2 + 3^2 + 5^2
4. 38th digit of pi (excluding decimal) is a Prime number
31415926535897932384626433832795028841
5. It is the largest even number which cannot be written as the sum of two odd composite numbers.
6.
5. The atomic number of Strontium is 38.
6. It is the product of two prime factors.
38 = 2 x 19
Dr Rajesh Kumar Thakur
1. The only possible magic hexagon has the magical constant as 38. The following magic hexagon has the digits from 1 to 19.
2. It is the largest known even number which can be represented as the sum of two distinct primes in one and only one way.
38 = 31 + 7
3. It is the sum of squares of first three primes.
38 = 2^2 + 3^2 + 5^2
4. 38th digit of pi (excluding decimal) is a Prime number
31415926535897932384626433832795028841
5. It is the largest even number which cannot be written as the sum of two odd composite numbers.
6.
5. The atomic number of Strontium is 38.
6. It is the product of two prime factors.
38 = 2 x 19
Dr Rajesh Kumar Thakur